Maths Practice Question and Answer
8Q: Mr. Shankar spends 25% of his monthly salary on household expenditure, 20% of the remaining on children’s education, and the remaining is equally invested in three different schemes. If the amount invested in each scheme is Rs.5600, what is the monthly salary of Shankar ? 3378 05b5cc74fe4d2b4197774fb30
5b5cc74fe4d2b4197774fb30- 1Rs. 34000false
- 2Rs. 31245false
- 3Rs. 24315false
- 4Rs. 28000true
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Answer : 4. "Rs. 28000"
Explanation :
Answer: D) Rs. 28000 Explanation: Let the monthly salary of Shankar be = Rs.xAmount invested on expenditure = 25% = x/4;Remaning amount = 3x/4;Amount invested on children education = 20% i.e = 3x/20;Remaining amount = 3x/4 - 3x/20 = 3x/5;Remaining amount invested in three different schemes i.e is 1/3(3x/5) => x/5 = 5600Therefore x = 28000Hence, Monthly salary of Shankar is Rs. 28,000.
Q: 0.01 is what per cent of 0.1 ? 3371 25cda8e04daf80a0820f09399
5cda8e04daf80a0820f09399- 110%true
- 2
- 3100%false
- 4
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Answer : 1. " 10%"
Explanation :
Q: The difference between 4632 and 20000 is what number 3368 05b5cc5ffe4d2b4197774b42c
5b5cc5ffe4d2b4197774b42c- 115368true
- 212652false
- 314562false
- 414965false
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Answer : 1. "15368"
Explanation :
Answer: A) 15368 Explanation: The difference between 4632 and 20000 is given by subtracting smaler number from the bigger number. Here the bigger number is 20000 Smaller number is 4632 Now, subtracting 4632 from 20000 20000 - 4632 = 15368 and the resut is an even number. Hence, The difference between 4632 and 20000 is 15368 and is an even number.
Q: Running 4/3 of his usual speed, a person improves his timing by 10 minutes. Find his usual time to cover the given distance.
3349 060b60db527bd974fe7f5d2e0
60b60db527bd974fe7f5d2e0- 140 mintrue
- 245 minfalse
- 346 minfalse
- 448 minfalse
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Answer : 1. "40 min"
Q: If the four-digit number 463y is divisible by 7, then what is the value of y?
3342 064b4ff7fe154aff53372be6c
64b4ff7fe154aff53372be6c- 14true
- 26false
- 33false
- 45false
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Answer : 1. "4"
Q: The marked price of a AC was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?
3341 060952392909e132f01198d71
60952392909e132f01198d71- 112%false
- 215%true
- 314%false
- 49%false
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Answer : 2. "15%"
Q: In the given figure, DE‖BC and DE=1/3 BC if area of triangle ADE=20 sq. cm, then what is the area (in sq.cm) of the triangle DEC?
3333 05d70d78b9004b376a58c11e4
5d70d78b9004b376a58c11e4- 140true
- 260false
- 380false
- 4120false
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Answer : 1. "40"
Q: The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then their difference is:
3325 05e634406f1640a77574dc995
5e634406f1640a77574dc995- 110true
- 246false
- 370false
- 490false
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