45
Q:

# The sum of the number of boys and girls in a school is 150. if the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is :

 A) 60 B) 70 C) 80 D) 90

Explanation:

We have : x + (x% of 150 )= 150

=> x+(x/100)*150] = 150

=>

=> x = (150*2)/5 = 60

Q:

If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%,then the area of the rectangle increases by x%. Then the value of x is:

 A) 16 B) 20 C) 8 D) 12

Explanation:

0 52
Q:

A shopkeeper marks the price of the article in such a way that after allowing 28% discount, he wants a gain of 12%. If the marked price is ₹224. then the cost price of the article is:

 A) ₹168 B) ₹144 C) ₹120 D) ₹196

Explanation:

0 31
Q:

The price of sugar is increased by 17%. A person wants to increase his expenditure by 8% only. By what percent should he decrease his consumption, nearest to one decimal place?

 A) 7.9% B) 8.1% C) 8.3% D) 7.7%

Explanation:

0 76
Q:

An article is sold for Rs.1,680 after two successive discounts of 20% and 16%. What is the marked price of the article?

 A) Rs.2,400 B) Rs.2,500 C) Rs.2,200 D) Rs.2,300

Explanation:

0 57
Q:

The price of sugar is increased by 24%. A person wants to increase his expenditure by 15% only. By what percentage, correct to one decimal place, should he reduce his consumption?

 A) 7.1 B) 7.3 C) 6.9 D) 7.5

Explanation:

2 100
Q:

An article is sold for ₹ 612 after successive discounts of 25% and 15%.What is the marked price of the article?

 A) ₹960 B) ₹940 C) ₹1000 D) ₹980

Explanation:

1 827
Q:

An article is sold for ₹ 547.40 after successive discounts of 30% and 15%. What is the market price of the article?

 A) ₹940 B) ₹900 C) ₹920 D) ₹960

Explanation:

2 904
Q:

The price of sugar is increased by 17%. A person wants to increase his expenditure by 7% only. By what percentage, correct to one decimal place, should he reduce his consumption?

 A) 8.3% B) 8.1% C) 8.7% D) 8.5%