Question

III. Solve the given questions:
a) How many two-thirds are there in 20?

b) How many one-fifths are in 25?

c) How many 3 quarters are in 90?

d) The product of 4/5 and a number is 112. Find the number?

e) The product of 12/7 and the number is 24. Find the number?

f) 2/3 of a number is 48. Find the number?

g) 1/9 of a number is 45. Find the number?

h) By how much is two-fifth of 200 more than three-fourth of 120?

i) Find the difference between 7/8 of 640 and 8/9 of 810?

j) 100 multiplied by 1⁄4 minus fifteen. What is the answer?

Word problems:
a) Five-ninth of Rosy’s journey to her office is 20 km. Find the total distance she travels?

b) Arun practices maths for 3/5 of an hour each day. How much time does he spend
practising maths in a week?

c) Sheena practised playing the guitar for 1 1⁄2 hours in the morning and half an hour in
the afternoon and 2 1⁄2 hours in the evening for a competition. How long did she
practice playing the guitar that day?

d) A carpet measures 2 1⁄2 m in length and other carpet measures 1 and a half meters in
length. How much longer is the first carpet than the other?

e) A tailor uses 4/7 m of 63m lace. How much lace did he use in all?

f) George distributes 4/9 of 54 masks to his friends. How many masks are with him?

Answer 1

Answer:

An equation is said to be linear equation in two variables if it is written in the form of ax + by + c=0, where a, b & c are real numbers and the coefficients of x and y, i.e a and b respectively, are not equal to zero.