Q.1
Find the : (550% of 250) ÷ 275 = ?
Q.2
By how much percent is four-fifths of 70 lesser than five-sevenths of 112 ?
Q.3
The firm uses the following function to calculate the production out (PO) : PO = 5.3C2 L15, where C = capital invested and L = labour employed. If the capital invested (C) increases by 20 percent, the change in PO will be :
Q.4
Find the : 38% of 341 = ?
Q.5
If 0.03 is X% of 0.3, then the value of X is :
Q.6
What is 28% of 36% of $$\frac{5}{7}$$th of 5000 ?
Q.7
When expressed as a fraction 64% would mean :
Q.8
Solve this : (12% of 555) + (15% of 666) = ?
Q.9
Solve this : 12% of 5000 = ?
Q.10
0.01 is what percent of 0.1 ?
Q.11
In an examination, the percentage of students qualified to the number of students appeared from school A is 70%. In school B, the number of students appeared is 20% more than the students appeared from school A and the number of students qualified from school B is 50% more than the students qualified from school A. What is the percentage of students qualified to the number of students appeared from school B ?
Q.12
Solve this :
85% of 485.5 = 50% of ?
Q.13
On a test consisting of 250 questions, Jassi answered 40% of the first 125 questions correctly. What percent of the other 125 questions does she need to answer correctly for her grade on the entire exam to be 60% ?
Q.14
Find the 92.5% of 550 = ?
Q.15
If x% of y is y% of (?)
Q.16
Solve this : $$\frac{4}{3}$$ of 25% $$\frac{18}{19}$$ of 57 = ?
Q.17
When water is changed into ice, its volume increases by 9%. If ice change into water, the percentage decrease in volume is :
Q.18
A tree increases annually by $$\frac{1}{8}$$ of its height. By how much will it increase after $$2\frac{1}{2}$$ years if it stands today 8 m high ?
Q.19
How many litres of a 30% alcohol solution should be added to 40 litres of a 60% alcohol solution to prepare a 50% solution ?
Q.20
Krishna's present salary is Rs. 3500. It will increase by 10% next year. What will be Krishna's salary after the increment ?
Q.21
Solve this : 32% of 825 + 25% of 1440 = 1025 - (?)
Q.22
Solve [180% of (?)] ÷ 2 = 504
Q.23
The marked price of an article is Rs. 2400. The shopkeeper gives successive discounts of x% and 15% to the customer. If the customer pays Rs. 1876.80 for the article, find the value of x :
Q.24
5 out of 2250 parts of earth is sulphur. What is the percentage of sulphur in earth ?
Q.25
In a class of 65 students and 4 teachers, each student got sweet that are 20% of the total number of students and each teacher got sweets that are 40% of the total number of students. How many sweets are there ?
Q.26
Two numbers A and B are such that the sum of 5% of A and 4% of B is two-thirds of the sum of 6% of A and 8% of B. Find the ratio of A : B ?
Q.27
Two candidates fought an election. One of them got 62% of the total votes and won by 432 votes. What is the total number of votes polled ?
Q.28
In a college election between two candidates, one candidate got 55% of the total valid votes. 15% of the votes were invalid. If the total votes were 15200, what is the number of valid votes the other candidate got ?
Q.29
What will come in the place of (?) in the expression below :
x% of y is y% of (?)
Q.30
In the expression xy2 , the value of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by :
0 h : 0 m : 1 s