GEPLUS
1. Cost of 10 patties is 30 and cost of 5 pastries is 40. Akhil wants to buy 6 patties and 6 pastries for his
family How much will he spend in all?
2. Arti needs 72 metres of cloth to make 32 frocks of a certain size. How much cloth will be
required to make 24 frocks of the same size?
3. If 10 men can do a piece of work in 3 days, how long will it take one man to do it?
4. A car moving with uniform speed covers a distance of 800 km in 10 hours. What distance
would it cover in 8 hours?
5. If 12 men finish a work in 5 days, how long one man will take to do it?
6. There are 90 apples in 3 baskets. A shopkeeper purchased 12 baskets of apples. Out of these,
15 apples were rotten. How many good apples were there?
7. If 8 men can finish a work in 15 days, how long will 10 men take to do it?
8. A family of 4 members consumed 52 kg of wheat in a month. What quantity of wheat would
be consumed by a family of 6 members?
9. For every 52 students, 2 teachers are appointed. How many teachers should be appointed if
a school has 494 students?
10.7 pens and 7 inkpots cost 122.30 If the cost of one pen is 4.60, find the cost of one inkpot.
11 In a camp, there is enough food for 420 students for 50 days. If 500 students turn up for the
camp, for how many days will the food stored be enough?
12. A and B together can do a piece of work in 20 days, B and C together can do it in 15 days,
C and A together can do it in 12 days.
(i) How long will they take to finish the work, working all together?
(ii) How long would each take to do the same work?
13. A, B and C together can do a piece of work in 15 days. B alone can do it in 30 days and
Calone can do it in 40 days. In now many days will A alone do the work?
New School Maths - 7
125
Answers
Answer:
1)10 patties=30
1 pattie. =3
5pastries=40
1 pastry =8
6*3+6*8=66
2)72m 32 frocks
Xm 24 frocks
On cross multiply we get X=54
3)10 men 3 days
1 men. X days
On straight Multiply we get x=30 days
5)same as qn no 3. 12*5=60 days
6)3basket 90 apples
1 basket 30 apples
12 bas. 360 apples
15 rotten 360-15=345
7)8men 15 days
10 men x days
Straight multiply x=12days
8)4 members =52kg
1 member. =13kg
6 members =13*6=78kg
9)52 students= 2 teacher
494 stu. =x teacher
On cross multiply x=19 teachers
11)420 stu 50days
500 stud. Days
On straight multiply x=42 days
12)2(A+B+C)=1/20+1/15+12
=(3+4+5)/60
=1/5*2=1/10
A+B+C=10 Days
A+B=3days,B+C=4days,C+A=5days
C=10-3=7days
A=10-4=6days
B=10-5=5days