Numerical Ability - 11

The sum of first 30 natural numbers is:
i) 564 ii) 465 iii) 450 iv) 455

The nearest number to 99455 which is exactly divisible by 453 is:
i) 99660 ii) 99500 iii) 99491 iv) 99577

(51)2 - (23)2 = 9a, the value of a is:
i) 140 ii) 149 iii) 114 iv) 148

Which one of the following is a prime number?
i) 1017 ii) 1027 iii) 1037 iv) 1087

The H.C.F of the numbers 385, 495, 770 is:
i) 35 ii) 40 iii) 55 iv) 70

The product of two numbers is 5376 and their H.C.F is 16.
The L.C.M of the numbers is
i) 226 ii) 336 iii) 312 iv) 324

On dividing 7000 by a certain number, the quotient is 111 and the remainder is 3.
The divisor is:
i) 70 ii) 53 iii) 63 iv) 61

The least number by which 48 must be multiplied in order to produce a multiple 128 is:
i) 8 ii) 16 iii) 2 iv) 12

The least number which when subtracted from the sum of the squares of 9 and 16 ,
which gives a perfect square is:
i) 9 ii) 15 iii) 7 iv) 13

The least perfect square number which is divisible by these three numbers 8,10, 12 is
i) 1200 ii) 2400 iii) 2000 iv) 3600