Mettl Quantitative Aptitude and Reasoning 3

Question 1

If all Bloops are Razzles and all Razzles are Lazzles, which statement must be true?

Accepted Answer

All Bloops are Lazzles

Answer

By transitivity: Bloops → Razzles → Lazzles, so all Bloops are Lazzles.

Question 2

A shopkeeper marks goods 40% above cost price and gives a 20% discount. His profit percentage is:

Accepted Answer

12%

Answer

SP = 1.4 × 0.8 × CP = 1.12 CP, giving a 12% profit.

Question 3

Find the missing number: 4, 9, 25, 49, 121, __

Accepted Answer

169

Answer

The series is squares of prime numbers (2², 3², 5², 7², 11²), so next is 13² = 169.

Question 4

Two numbers are in the ratio 3:5. If 8 is added to each, the ratio becomes 2:3. What is the smaller number?

Accepted Answer

24

Answer

Let numbers be 3x and 5x; (3x+8)/(5x+8) = 2/3 → x = 8; smaller = 24.

Question 5

A person walks at 4 km/h for the first half of a journey and at 6 km/h for the second half. What is the average speed for the entire journey?

Accepted Answer

4.8 km/h

Answer

Average speed for equal distances = 2×4×6/(4+6) = 48/10 = 4.8 km/h.

Mettl Practice Test