5. Find the least number which when multiplied with will make it a perfect square. A. 19 B. 22 C. 36 D. 42
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1 1. Find the square root of 484 by prime factorization method. A. 11 B. 22 C. 33 D Find the cube root of A. 25 B. 26 C. 27 D A certain number of people agree to subscribe as many rupees each as a there are subscribers. The whole subscription is rupees. Find the number of subscribers. A B C D Find the square root of 324. A. 36 B. 23 C. 18 D Find the least number which when multiplied with will make it a perfect square. A. 19 B. 22 C. 36 D Find out the square root of A. 41 B. 42 C. 43 D. 44
2 7. Find the least number by which be divided to make it a perfect cube. A. 10 B. 17 C. 23 D The student of class XI of a school donated 4356 Rupees in all, for Prime Minister's National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number o A. 61 B. 66 C. 72 D Evaluate 4356 A. 66 B. 55 C. 44 D If y/169 = 54/39, then y is equal to? A. 267 B. 324 C. 448 D Evaluate A. 76 B. 92 C. 105 D. 162
3 / 196 x 579/12 x 256/8 =? A. 17 B. 32 C. 53 D ( ) A. 16 B. 14 C. 11 D =? A. 25 B. 20 C. 15 D Given that 4096 = 64, the value of is? A B C D In an auditorium, the number of rows is equal to the number of chairs in each row. If the capacity of the auditorium is 2025, find the number of chairs in each row. A. 34 B. 45 C. 52 D Find the smallest number by which 396 must be multiplied so that the product becomes a perfect square. A. 11 B. 13
4 C. 15 D A. 0.2 B. 0.7 C. 0.9 D. none of the above 19. If 256 / x = 2, then x is equal to? A. 54 B. 64 C. 74 D / 128 A. 9/2 B. 7/2 C. 5/2 D. 3/ x 15? A. 4 3 B. 5 6 C. 7 7 D ? / 200 = 0.02? A. 8 B. 12 C. 16 D. 22
5 23. Evaluate the cube root: 216 A. 15 B. 12 C. 9 D Evaluate the cube root: 343 A. 1 B. 5 C. 7 D /? = 10 A. 625 B. 560 C. 420 D / 7 =? A. 15 B. 25 C. 35 D Find the smallest number by which 1100 must be divided so that the quotient is a perfect square. A. 40 B. 60 C. 80 D Evaluate the cube root: 2744 A. 11 B. 12 C. 13 D. 14
6 29. Find the cube root of (-1000). A. -10 B. 12 C. -16 D /3-3/4 =? A. 7/2 3 B. 3/2 3 C. 1/2 3 D. 5/ If 2 = , then the approximate value of 1/ 2/9 is? A B C D If 3 = 1.732, then the approximate value of 1/ 3 is? A B C D Find the least square number divisible by each one of 8, 9and 10. A. 13 B. 12 C. 11 D. 10
7 34. Find the square root of 784 by the long-division method. A. 22 B. 28 C. 34 D Evaluate 5329 using long-division method. A. 71 B. 72 C. 73 D Evaluate: (125 64). A. 19 B. 20 C. 21 D Evaluate: (27 64). A. 1 B. 3 C. 7 D If 24 = 4.899, then the value of 8/3 is? A B C D ( ) / ( ) =? A. 1 B. 2 C. 3 D. 4
8 40.? / 2.25 = 550 A. 432 B. 775 C. 825 D If ( N ) = 8.71, then the value of N is? A B C D / =? A. 11/23 B. 17/45 C. 19/32 D. 21/ / =? A. 171/10 B. 17/110 C. 17/11 D. 170/ If 3 =1.732 and 2 = 1.414, the value of 1/( 3 + 2) is? A B C D
9 45. If 6 = 2.55, then the value of 2/ /2 is? A B C D If 2n = 64, then the value of n is? A. 10 B. 11 C. 12 D /15625 =?/30625 A. 14 B. 24 C. 36 D Evaluate: A. 128 B. 133 C. 142 D Evaluate: A. 101 B. 102 C. 103 D Evaluate: A. 255 B. 257 C. 263 D. 267
10 51. Find the cost of erecting a fence around a square field whose area is 9 hectares if fencing costs $ 3.50 per metre. A. $4200 B. $5600 C. $6800 D. $ Find the least number that must be added to 6412 to make it a perfect square. A. 125 B. 136 C. 149 D What least number must be subtracted from 7250 to get a perfect square? Also, find the square root of this perfect square. A. 95 B. 85 C. 75 D Find the greatest number of four digits which is a perfect square. A B C D What least number must be added to 5607 to make the sum a perfect square? Find this perfect square and its square root. A. 18 B. 17 C. 16 D. 15
11 56. Evaluate: [216 (-343)]. A. -9 B. -20 C. -31 D Evaluate: { (216/2197) A. 6/13 B. 4/13 C. 2/13 D. none of the above 58. Evaluate: (-125/512) A. -1/8 B. -3/8 C. -5/8 D. -7/8 59. Find the cube root of A. 1.7 B. 1.8 C. 1.9 D. none of the above 60. If N = 119/16 then N =? A. 1 3/4 B. 1 1/4 C. 1 5/4 D. 1 7/ /? = 234 A. 64 B. 72 C. 84 D. 99
12 /1.5 =?/ 256 A. 125 B. 133 C. 167 D (1.21 x 0.9) / (1.1 x 0.11) =? A. 1 B. 2 C. 3 D (0.324 x x 4.624) / ( x x 72.9 x 64) =? A. 24 B. 2.4 C D Find the least number of six digits which is a perfect square. Find the square root of this number. A. 218 B. 298 C. 317 D Find the least number that must be subtracted from 1525 to make it a perfect square. A B C D Evaluate: 42.25
13 A. 5.5 B. 6.5 C. 7.5 D Evaluate: A B C D Evaluate: A B C D Evaluate: A B C D Show that 216 is a perfect cube. Find the number whose cube is 216. A. 4 B. 5 C. 6 D What is the smallest number by which 3087 may be multiplied so that the product is a perfect cube? A. 3 B. 5 C. 7 D. 9
14 73. What is the smallest number by which 392 may be divided so that the quotient is a perfect cube? A. 25 B. 49 C. 64 D Find cube: (-7)³ A B C D Find cube: (1²/₃)³ A. 125/12 B. 125/19 C. 125/22 D. 125/ Find cube: (2.5)³ A. 129/27 B. 127/27 C. 125/27 D. 123/ Find cube: (0.06) ³ A. 23/ B. 27/ C. 29/ D. 31/125000
15 78. If = 125, then the value of [ ] is? A B C D /? =? / 2.25 A. 1 B. 5 C. 9 D If /169) = (1 + N/13). then N equals? A. 7 B. 5 C. 1 D =? A B C D. none of the above =? A. 3 B. 0.3 C..003 D. none of the above =? A. 0.2 B. 0.3 C. 0.4 D. 0.5
16 84. The value of 0.9 is? A B C D If 2401 = 7x then, the value of x is? A. 1 B. 2 C. 3 D If 2 = , the value of 7/ (3 + 2) is? A B C D x 0.4 x a = 0.4 x 0.04 x b, then the value of a/b is? A B C. 1.6 D ( ) / 96 =? A. 1 B. 2 C. 3 D. 4
17 89. ( 5-3)/ ( 5 + 3) is equal to? A. (1-15) B. (2-15) C. (3-15) D. (4-15) 90. 1/ ( 9-8) =? A. ( ) B. ( ) C. ( ) D. ( ) 91. The value of 0.16 / 0.4 is? A. 63 B. 6.3 C D. none of the above 92. The value of is? A B C D The value of is? A B C D What is the smallest number by which 3600 be divided to make it a perfect cube? A. 450 B. 320 C. 267 D. 150
18 95. By what least number must be multiplied to make it a perfect cube? A. 8 B. 10 C. 12 D The cube root of is? A B C D The length of diagonal of a square is 8 cm. The length of the side of the square is? A cm B cm C cm D cm 98. Find the square root of 625/256 A. 21/23 B. 25/26 C. 27/29 D. 29/ Evaluate: 441/961. A. 1/11 B. 11/21 C. 21/31 D. 31/41
19 100. Find the values of 7/2 up to 3 decimal places. A B C D. 1.87
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