Maths Practice Question and Answer
8Q: The average salary of all employees working in an office is Rs.8000. The average salary of 7 technicians is Rs 12000 and the average salary of rest of the workers is Rs.6000. The total no. of workers working in that office is- 2172 05d19f5821388cd24f08614e7
5d19f5821388cd24f08614e7- 120false
- 221true
- 323false
- 422false
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Answer : 2. "21"
Explanation :
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Q: What is the reflection of the point (5,-2) in the line y=-1?
2171 05ed9f20ae11a1c4b43e6e9b6
5ed9f20ae11a1c4b43e6e9b6- 1( 7,-2)false
- 2(-5,0)true
- 3( 5,0)false
- 4( -7,9)false
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Answer : 2. "(-5,0)"
Q: The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:
2171 06051c80da37d522d6c152042
6051c80da37d522d6c152042- 182.8false
- 273.5false
- 375.2false
- 475.6true
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Answer : 4. "75.6"
Q: There is 10 % loss if a watch is sold for Rs 1440/-. At What price it is to be sold to get 15 % profit.
2171 05e72fea9827ff55feb3197a5
5e72fea9827ff55feb3197a5- 1Rs. 1840/-true
- 2Rs. 1850/-false
- 3Rs. 1800/-false
- 4Rs. 1860/-false
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Answer : 1. "Rs. 1840/- "
Q: The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and sum of HCF and LCM is 1150. The other numbers is-
2170 05f6347313366f3388367654c
5f6347313366f3388367654c- 1225true
- 2235false
- 3240false
- 4250false
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Answer : 1. "225"
Q: A vacuum cleaner was marked at 30% above the cost price and a discount of 24% was given on its marked price. What is the profit/loss percentage?
2170 0611f795bb14e9c13a8ec06c3
611f795bb14e9c13a8ec06c3- 14%false
- 21.2%true
- 36.25%false
- 42.5%false
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Answer : 2. "1.2%"
Q: The average speed of a train is 20% less on the return journey than on the onward journey. The train halts for an hour at the destination station before starting on the return journey. If the total time taken for the to and from journey is 46 hrs, covering a distance of 2000 km, the speed of the train on the return journey is:
2169 05e842ce585838711431bd130
5e842ce585838711431bd130- 150 km/hfalse
- 240 km/htrue
- 360 km/hfalse
- 465km/hfalse
- 5None of thesefalse
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Answer : 2. "40 km/h"
Q: 17 articles were bought for ₹3910 and sold for ₹4590. How much was the approximate profit percentage per article?
2168 05df2237ffb64ec452cb6e020
5df2237ffb64ec452cb6e020- 117 %true
- 212 %false
- 39 %false
- 421 %false
- 525 %false
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