Tricky Math Questions with Answers for Competitive Exams
After interchanging the given two signs, what will be the value of the following expression?
× And ÷
20 + 5 ÷ 6 × 2 – 5
(A) 30
(B) 35
(C) 25
(D) 40
Correct Answer : A
A varies jointly with B and C. A = 6 when B = 3 and C = 2. Find A when B = 5 and C = 7.
(A) 105
(B) 70
(C) 17.5
(D) 35
Correct Answer : D
A shopkeeper purchases 20000 units of a product at ₹1 each, 15000 units at ₹1.15 each and 5000 units at ₹2 each. What is the weighted average price of one unit? Correct to two decimal places)
(A) ₹1.20
(B) ₹1.36
(C) ₹1.38
(D) ₹1.18
Correct Answer : D
After seeing a policeman from a distance of 500 m, a thief starts running at a speed of 10 km/h. After noticing, the policeman chases immediately with a speed of 12 km h, and the thief is caught. The distance run by the policeman is:
(A) 3.6 km
(B) 2.5 km
(C) 3 km
(D) 2.4 km
Correct Answer : C
One number x is thrice the other number y. If the sum of both the numbers is 20, then what is the values of x and y are respectively ?
(A) 8 and 12
(B) 5 and 15
(C) 15 and 5
(D) 2 and 18
Correct Answer : C
A pen passing through two hands is finally sold at a profit of 44% of the original cost price. If the first dealer makes a profit of 20%, then the profit made by the second dealer is:
(A) 24%
(B) 36%
(C) 20%
(D) 27%
Correct Answer : C
The mean of five numbers is 18. If one number is excluded, their mean is 16. The excluded number is:
(A) 36
(B) 32
(C) 26
(D) 30
Correct Answer : C
Ravi drove for 4 hours at a speed of 70 miles per hour and for 2 hours at 40 miles per hour. What was his average speed (in miles per hour) for the whole journey?
(A) 50
(B) 60
(C) 55
(D) 45
Correct Answer : B
Which of the following options has the greatest value?
(A) (−99)+(−44)−12
(B) 20+4+(−8)−2+3+6
(C) (−18)−45+(−3−2)
(D) (−22)+(−4−7)
Correct Answer : B
In ΔABC, if G is the centroid and AD is a median with length 9 cm, then the length of AG is:
(A) 5 cm
(B) 6 cm
(C) 8 cm
(D) 7 cm
Correct Answer : B
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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