Directions: Read the rules listed below.
Which is the smallest of the 3 positive integers a, b and c ?
Explanation: With option (a) & (b) together , we would be able to find the values of a, b & c . Hence would be able to determine the smallest of the three integers
Directions: Read the rules listed below.
A man distributed 43 chocolates to his children. How many children are older than 5 years?
Explanation: The only solution is 5 * 5 + 6 * 3 = 43.
Directions: Read the rules listed below.
Can the shopkeeper weigh exactly 1kg rice using three weights he has?
Explanation: Yes we can measure 1kg weigh but both options are needed.
Directions: Read the rules listed below.
In the equation X^2 +bX –10 = 0, what is the value of b?
Explanation: With option (a), b can have values as –11 and –7 .with option (a) ,b can have values both values still . So , even with both the options together, we will not be able to find the value of b.
Directions: Read the rules listed below.
abcd a four digit perfect square number .What this number have in its unit place ?
Explanation: all the perfect square no.s which have seven at the ten’s place ,would always have six at the unit’s place, but the vice-versa is not true.