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Direction To Solve

1- 186 x 186 + 159 x 159 - 2 x 186 x 159 =?
- A.329
- B.700
- C.729
- D.848
- E.None of these
2- The number of prime factors of (3 x 5)12 (2 x 7)10 (10)25 is:
- A.69
- B.84
- C.93
- D.94
- E.None of these
3- If (64)2 - (36)2 = 20z, the value of z is:
- A.140
- B.142
- C.684
- D.670
- E.None of these
4- Which of the following numbers is divisible by 3, 7, 9 and 11?
- A.639
- B.2079
- C.3791
- D.37911
- E.None of these
5- 39798 + 3798 + 378 =?
- A.43576
- B.43974
- C.43984
- D.49532
- E.None of these
6- A six-digit number is formed by repeating a three-digit number; for example, 256256 or 678678 etc. Any number of this form is always exactly divisible by:
- A.7 only
- B.13 only
- C.11 only
- D.1001
- E.None of these
7- The unit's digit in the product (3127)173 is:
- A.1
- B.3
- C.7
- D.9
- E.None of these
8- The number of digits of the smallest number, which when multiplied by 7 gives the result consisting entirely of nines, is:
- A.3
- B.5
- C.6
- D.8
- E.None of these
9- Which of the following numbers is exactly divisible by 99?
- A.114345
- B.913464
- C.135792
- D.3572404
- E.None of these
10- On dividing a number by 999, the quotient is 366 and the remainder is 103. The number is:
- A.364724
- B.365387
- C.365737
- D.366757
- E.None of these