Q) The HCF of 1056, 1584, 2178 is
Correct Answer - Option
(A)
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Math MCQ Questions with answers
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Q) The LCM of 22, 54, 108, 135 is
Correct Answer - Option
(A)
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Q) Find the average of all prime numbers between 30 and 50.
Correct Answer - Option
(A)
Explanation:
Prime number-a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11).
Then the total prime number b/w 30 to 50=31,37,39,41,43,47
Now average=(31+37+39+41+43+47)/6=39.666667,
Approximate=39.8
Then the total prime number b/w 30 to 50=31,37,39,41,43,47
Now average=(31+37+39+41+43+47)/6=39.666667,
Approximate=39.8
Q) A batsman scored 110 runs which included 3 boundaries and 8 sixes. what percent of total score did he make by running between the wickets.
Correct Answer - Option
(B)
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Q) The price of petrol went up by 25%. in order that expenses on petrol should not increase one must reduce travel by
Correct Answer - Option
(B)
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Q) On selling a pen for Rs 18, a man losses 1/10 of it's cost price. The cost price of the pen is
Correct Answer - Option
(C)
Explanation:
Let the value of Pen is X Then , according to ques, X-X/10=18 X=20
Q) Toffees are bought at the rate of 3 for a rupee. to gain 50% they must be sold at
Correct Answer - Option
(A)
Explanation:
If we want 50 % gain then we should sold 3 toffee for 1.50 rs
Then the price of one toffee-1.50/3=50 Paisa,
So we can sold it 2 for a ruppee
Correct answer is A
Then the price of one toffee-1.50/3=50 Paisa,
So we can sold it 2 for a ruppee
Correct answer is A
Q) Anil purchased a TV set with 20 % discount. Had he got 25% discount, he would have saved rupees 500 more. At what price did he purchased the TV set?
Correct Answer - Option
(D)
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Q) Oranges are bought at 7 for rupees 3. At what rate per hundred must they be sold to gain 33%?
Correct Answer - Option
(D)
Explanation:
7 orange ka price-3rs,
1 orange ka price -3/7,
100 orange ka price-(3/7)×100,
=300/7,
33 %of 100 orange price=(300×33)÷(7×100)=99/7,
Now the price after 33 % benefit=(300+99)÷7=57
Answer is D
1 orange ka price -3/7,
100 orange ka price-(3/7)×100,
=300/7,
33 %of 100 orange price=(300×33)÷(7×100)=99/7,
Now the price after 33 % benefit=(300+99)÷7=57
Answer is D
Q) A machine is sold at a profit of 10%. Had it been sold for Rs 80 less , there would have been a loss of 10%. then CP of the machine is
Correct Answer - Option
(B)
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