Maths Practice Question and Answer
8 Q: In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by $$ 26{2\over3}\% $$. The net effect on the salary is:
2979 05e86d2959d2a5e5416ce1241
5e86d2959d2a5e5416ce1241- 1$$ +11{1\over9}\% $$false
- 2+ 20%false
- 3$$ -16{2\over3}\% $$true
- 4-10%false
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Answer : 3. "$$ -16{2\over3}\% $$"
Q: Sandeep buys an old scooter for Rs.4700 and spends Rs.800 on its repairs. If he sells to its Rajesh for Rs.5800, then his gain percent will be:
2979 05ef1861d2c39485d739e832d
5ef1861d2c39485d739e832d- 1$$ 5 {5\over11}%$$true
- 2$$ 4 {4\over7}%$$false
- 310%false
- 412%false
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Answer : 1. "$$ 5 {5\over11}%$$"
Q: The simple interest on a certain sum at 5% per annum for 3 years and 4 years differ by Rs. 42. The sum is : 2978 15cfdf87e70433d6f12b54046
5cfdf87e70433d6f12b54046- 1Rs. 210false
- 2Rs. 280false
- 3Rs. 750false
- 4Rs. 840true
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Answer : 4. "Rs. 840"
Q: If three numbers are in the ratio 3:5:6 and their LCM Is 2160, then find their HCF.
2975 05df9c40a36644b47cbaecfb1
5df9c40a36644b47cbaecfb1- 116false
- 218false
- 320false
- 422false
- 524true
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Answer : 5. "24"
Q: What will be the difference between the compound interest and simple interest at the rate of 5% per annum on an amount of Rs 4000 at the end of 2 year?
2973 05da057f000e22578c9e9a517
5da057f000e22578c9e9a517- 1Rs 10true
- 2Rs 20false
- 3Rs 25false
- 4Data inadequatefalse
- 5None of thesefalse
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Answer : 1. "Rs 10"
Q: Ram’s present age is one-sixth of his father’s age. If the difference between their present ages is 35 years, what is his father’s present age? 2971 05d0ca0da23ee2e06e9eae216
5d0ca0da23ee2e06e9eae216- 132 Yearsfalse
- 242 Yearstrue
- 352 Yearsfalse
- 444 Yearsfalse
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Answer : 2. "42 Years"
Q: À train consists of 12 bogies, each bogie is 15 m long. The train crosses a telegraph post in 18 s. Due to some problem, two bogies were detached. The train now cresses the telegraph post in
2971 0600e91147fb81d03bf7307d9
600e91147fb81d03bf7307d9- 115 strue
- 212 sfalse
- 318 sfalse
- 420 sfalse
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Answer : 1. "15 s "
Q: Natasha decided to spend 45% of her salary on shopping. On completion of her shopping, she realized that she had spent only Rs.11475, which was 60% of what she had decided to spent. How much is Natasha’s salary?
2970 061963f1ef9ee7a04bd1f820e
61963f1ef9ee7a04bd1f820e- 1Rs.29600false
- 2Rs.38800false
- 3Rs.42500true
- 4Can’t be determinedfalse
- 5None of thesefalse
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