Directions: Read the rules listed below.
Is the cube of a number greater than the square of the same no?
Explanation: The cube of a number will be greater than its square only if the no. is greater than 1 or the no. lie in between –1 and 0. So if we consider both the option individually, we can reach to the answer.
Directions: Read the rules listed below.
P is one of the digits of the seven digit number 3145p67.What is the value of P?
Answer (3):
Explanation: The sum is 26 + p =4K. So the options for p are 2 and 6 only. 6 is eliminated if we take the help of option(b).so p = 2
Directions: Read the rules listed below.
Does X lie between 0 and –1?
Explanation: X < X^5 only if X is greater than 1 or in between 0 and –1. X < X^3 only if X is greater than 1 or in between 0 and –1. So we can’t say that X lie in a particular range not in other.
Directions: Read the rules listed below.
If the number 27432ab, where a and b are in digits in tens and unit places respectively, find the unique values of a and b.
Explanation: With Option(a) only a + b = 9. With Option(b) only (a,b) can be (0,8) , (1,6) ,(2,4), …so on .The only option for a and b are 7 and 2 if we take both the options together. That’s the only unique answer.
Directions: Read the rules listed below.
What is the % change in the volume of the cone?
Explanation: Option (b) is sufficient to know the % change in the volume.