ECAT MCQs

Total expenses are Rs. 100,000.
Salaries are Rs. 50,000, which is 50% of the total.

The largest two-digit multiple of 7 is 7 × 14.
This equals 98.

There are 5 letters with L repeated twice and E repeated twice.
Distinct arrangements = 5!/(2!2!) = 30.

A 76 average over 5 tests requires 380 total marks.
The first four total 300, so 80 more marks are needed.

The LCM uses prime powers 2³, 3, and 5.
Their product is 8 × 3 × 5 = 120.

The sum is 40 and there are 5 values.
The mean is 40 ÷ 5 = 8.

The decrease is 65 units.
Since 65/650 × 100 = 10%, the decrease is 10%.

The second number is product divided by the first number.
Thus, 216 ÷ 18 = 12.

The median is the middle value in ordered data.
The third of five values is 9.

The total population is 100,000.
The largest town has 45,000, so the fraction is 45/100 = 9/20.

The mode is the value occurring most often.
The number 4 appears three times.

Rent and food use 55%, leaving 45%.
Forty-five percent of Rs. 60,000 is Rs. 27,000.