percentages Model Questions & Answers, Practice Test for ibps rrb po prelims

Answer: (d)

Marks scored by Mathew = 42 + 51 + 58 + 35 +48 = 234

Max.Marks = 60 × 5 = 300

Percentage scored = $234/300 × 100$ = 78%

Answer: (e)

36% of 245 - 40% of 210 = 10 - ?

88.2 - 84 = 10 - ?

4.2 = 10 - ?

? = 10 - 4.2 = 5.8

Answer: (b)

Ratio of Expenses = 4 : 2 : 5,

therefore amount spend on clothes, i.e. 2x = 5540

∴ x = 2770

Total exp = (4 + 2 + 5)x = 11x.

= 11 × 2770 = 30470

Total income be x.

55% of x = 30470

$x = 30470 × 100/55$ = 55400

Answer: (d)

Let he had originally Rs. x.

Then 65% of x + 20 % of x + 1305 = x

0.65x + 0.2 x + 1305 = x

0.15 x = 1305 ⇒ x = Rs. 8700

∴ His total investment

= 65% of 8700 + 20% of 8700

= 85% of 8700 = Rs. 7395

Answer: (d)

Total marks obtained by the student

= 6 × $64/100$ × 150 = 576

Marks obtained in Hindi and English

= 25% of 576 = $576 × 25/100$ = 144