Page 102 - Maths Skills - 7
P. 102
100 Maths
SUBJECTIVE TYPE QUESTIONS 3. A shirt is priced ` 225. If the price of shirt is
reduced by 8%, find its net price.
F. Solve the following word problems
4. Nishant’s salary was ` 9000 per month. His
1. Amar obtained 420 marks out of 500 in CBSE salary is increased by 5%. How much does he
XII class examination while his sister Sunita got get now?
536 marks out of 600 in IX class examination. 5. A basket contains 450 eggs. If 16% of the eggs
Find whose performance is better. are rotten, find the number of remaining eggs.
2. Out of an income of ` 16000, Raman spends
` 10400. What per cent of his income does
he save?
INTEGRATED QUESTION
G. Statistics Vs Maths
In a school, 600 students were surveyed to find out about their favourite
sport. The result is shown in the circle graph. Use the given data to Answer
the following questions— 4% Golf 10% Hockey
1. What fraction of children have cricket as their favourite sport? 6% Baseball
12% Football
2. What is the number of children that like playing Hockey? 14% Basket 30% Cricket
3. Last year 160 students liked playing cricket the most. Is there an Ball
increase or decrease in number of students liking cricket? Find the
increase or decrease percent. 24% Chess
4. Find the number of children whose favourite sport is:
Football Cricket Chess Hockey
HOTS
1. By selling a mobile phone for ` 4,000, a person loses 15%. For what amount should he sell it so that he
gains 10%?
2. A sum of money amounts to ` 4,480 at 6% simple interest per annum at the end of 2 years. Find the
principal.
1
3. Karan borrowed ` 1,500 from a financer. After 3 years he paid ` 2,655 to the financer and cleared the
2
accounts. Find the rate of interest charged.
4. If you add 10% of a number to itself, what percent of the new number should be subtracted to get the
original number back?
Word Stock
Percent Ratio Profit Loss Interest Proportion
Rate Selling Price Cost Price Principal Annual Transaction
Borrower Lender Amount Gain