The table given below shows the number of male teacher and female teachers in 5 schools.

Schools Male teachers Female teachers

L 160 180

M 180 170

N 170 120

P 150 110

Q 130 130

Which of the following statement is correct?

I. The number of male teachers in school L is 135.44 percent of the number of female teachers in school P.

II. The ratio of the number of female teachers in M and N together to the number of male teachers in N and P together is 29 ∶ 32

Question

Question

This question was previously asked in

SSC CHSL Tier-I Exam 2022 Official Paper (Held On: 10 March, 2023 Shift 2)

Answer 1

Calculation:

I. The number of male teachers in school L is 135.44 percent of the number of female teachers in school P.

Number of male teachers in school L = 160

Number of female teachers in school P = 110

(160/110) x 100% ≈ 145.45%

Therefore, the statement I is incorrect. The correct percentage is 145.45% and not 135.44%.

II. The ratio of the number of female teachers in M and N together to the number of male teachers in N and P together is 29 ∶ 32.

Number of female teachers in schools M and N together = 170 + 120 = 290

Number of male teachers in schools N and P together = 170 + 150 = 320

The ratio of the number of female teachers in M and N together to the number of male teachers in N and P together = 290 ∶ 320

We can simplify this ratio by dividing both numbers by 10.

29 ∶ 32

Therefore, statement II is correct.

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