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Questions(204)

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Sum of 8 consecutive numbers of set A is 376. What is the sum of 5 consecutive numbers of another set if its minimum number is 15 ahead of average of Set A?

view details (1 answer)1) If the eight-digit number $5668x25y$ is divisible by $48,$ find the least value of $x+y$

a)$10~~$ b)$9~~$ c)$8~~$ d)$7$

2) A,B and C are digits and $\text{64A3B6C}$ is divisible by $360.$ How many values can (A,B) take?

a)$8~~$ b)$10~~$ c)$7~~$ d)$5~~$

view details (2 answers)a)$10~~$ b)$9~~$ c)$8~~$ d)$7$

2) A,B and C are digits and $\text{64A3B6C}$ is divisible by $360.$ How many values can (A,B) take?

a)$8~~$ b)$10~~$ c)$7~~$ d)$5~~$

The sum of all natural numbers from 100 to 300 which are exactly divisible by 4 or 5 is

A. 10200

B. 15200

C. 16200

D. None

view details (1 answer)A. 10200

B. 15200

C. 16200

D. None

The sum of first and second terms of a geometric progression is 12. The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is.

view details (1 answer)Define a number $K$ such that it is sum of the squares of the first $M$ natural numbers (i.e., $K=1^2+2^2+3^2+\cdots+M^2$) where $M\lt 55$. How many values of M exists such that K is divisible by 4?

view details (1 answer)