Maths Practice Question and Answer
8Q: The average of three numbers is 154. The first number is double of the second number and the second is double of the third one. The first number is 3015 05d19dec87619fe30b9d345a8
5d19dec87619fe30b9d345a8- 1264true
- 2132false
- 388false
- 466false
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Answer : 1. "264"
Explanation :
let x y and z is three number
x:y
2:1
y:z
2:1
then we can find x:y:z is will be 4:2:1
Then 7/3=154
1=66
then the x will be=66*4=264
Q: There is a difference of 8 years between the ages of Waqar and Naseema. When they were married 30 years ago. So 4 times Waqar's age was equal to 5 times Nasima's age. What is the sum of his present age?
3015 05f87fbe258d85e164c544581
5f87fbe258d85e164c544581- 1134 Yearfalse
- 2136 Yearfalse
- 3132 Yeartrue
- 4142 Yearfalse
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Answer : 3. "132 Year"
Q:Direction (66-70): What should come in place of the question mark(?) in the following number series?
5, 6, 15, 50,?
3013 05da05bbf0ba8fe2a19c24a4a
5da05bbf0ba8fe2a19c24a4a- 1207true
- 2157false
- 3155false
- 4205false
- 5None of thesefalse
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Answer : 1. "207"
Q: 0.01 is what per cent of 0.1 ? 3009 25cda8e04daf80a0820f09399
5cda8e04daf80a0820f09399- 110%true
- 2$${1\over 10}\% $$false
- 3100%false
- 4$${1\over 100}\% $$false
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Answer : 1. " 10%"
Explanation :
Q: In the given figure, from the point P two tangents PA and PB are drawn to a circle with center O and radius 5 cm. From the point O, OC and OD are drawn parallel to PA and PB respectively. If the length of the chord AB is 5 cm. then what is the value (in degrees) of ∠COD?
2992 05ddce2cc39b75a0aaa56fb99
5ddce2cc39b75a0aaa56fb99- 190false
- 2120true
- 3150false
- 4135false
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Answer : 2. "120"
Q: The marked price of a certain object is Rs 10,000. Shopkeeper gives three consecutive discounts of 10%, 20%, 30%. Find the selling price of the object. 2986 15d133c4c40daee3c552fcb24
5d133c4c40daee3c552fcb24- 1Rs 6000false
- 2Rs 6340false
- 3Rs 5040true
- 4Rs 7000false
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Answer : 3. "Rs 5040 "
Q: Income of A and B are in ratio 3:4 and their expenditure are in ratio 4:7 their saving are equal if A save Rs 1760 more and B increase his expenditure by Rs 880 then their saving are in ratio 7:4 .find the average income of A and B?
2985 05ee99f18109b5d6e01624f48
5ee99f18109b5d6e01624f48- 19240true
- 28680false
- 39680false
- 49160false
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Answer : 1. "9240"
Q: 5 men and 5 women earn Rs.600 in 3 days. 10 men and 20 women earn Rs. 3500 in 5 days. In how many days can 6 men and 4 women earn Rs. 1060?
2974 15f4f5ef082369c1d61194be9
5f4f5ef082369c1d61194be9- 15 daystrue
- 210 daysfalse
- 36 daysfalse
- 412 daysfalse
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Answer : 1. " 5 days"
Explanation :
3 (5 M+5 W)=600
5( 10 M+ 20 W)=3500
Solving we can get:
M=18
W=26
So we can find
Days =1060/6M+4W=5 days