Directions: Read the rules listed below.
How many divisors of X ,which is an even no. ,are there ?
Explanation: Since X is a multiple of 61 which is prime and x is even as well .so 61 must be multiplied with an even no. from 2-11, but if u multiply it with any other no.2 it would have more no. of divisors than1 in the range . Hence the no. is 122.
Directions: Read the rules listed below.
Is A > B?
Explanation: Option can determine the result on its own whenever A^3 > B^3 ,A>B for both positive and negative values of A and B.
Directions: Read the rules listed below.
Is X^2 > X^3?
Explanation: Option (a) is true for positive proper fractions only and in that case X^2 > X^3 for all such values. Option (b) is also true for positive proper fractions only and in that case X^2 > X^3 for all such values.
Directions: Read the rules listed below.
Is abcd , four digit positive number , a perfect square?
Explanation: all the perfect square no.s which have 5 at the unit’s place will always have 2 at the ten’s place .
Directions: Read the rules listed below.
A and B together can do apiece of work in “p” days , B and C together in “q” days, C and A together in “r” days. Working alone , who among A,B and C can complete the work fastest?
Explanation: q > p means that C will take more time than A to complete the same work. r