Maths questions series #4
Which of the following is equal to 1.41 × 106 ?
(A) 14100
(B) 141
(C) 1410000
(D) 1.41
Correct Answer : C
Find the average of all prime numbers between 30 and 50.
(A) 41.8
(B) 38.8
(C) 37.8
(D) 39.8
Correct Answer : D
The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average one number, namely 36, was wrongly read as 26. The correct average is:
(A) 16
(B) 14
(C) 20
(D) 18
Correct Answer : A
Dilip, Ram and Amar started a shop by investing Rs.2700, Rs.8100 and Rs.7200 respectively. At the end of 1 year, the profit was distributed. If Ram's share was Rs.3600, their total profit was
(A) Rs.10800
(B) Rs.11600
(C) Rs.8000
(D) None of these
Correct Answer : C
A and B started a boutique investing amounts of ₹ 35,000 and ₹ 56, 000 respectively. If A ' s share in the profit earned by them is ₹ 45, 000 then what is - the total profit earned?
(A) ₹ 81,000
(B) ₹ 1,27,000
(C) ₹ 72,000
(D) ₹ 1,17, 000
Correct Answer : D
If logx4+logx16logx64=12 then find out the value of x.
(A) 2
(B) 3
(C) 1
(D) 4
Correct Answer : A
There are some coins and rings of either gold or silver in a box. 60% of the objects are coins, 40% of the rings are of gold and 30% of the coins are silver. What is the percentage of gold articles?
(A) 58
(B) 27
(C) 16
(D) 70
Correct Answer : A
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