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Quantitative Aptitude Quiz
Quantitative Aptitude Quiz for Railway and SSC covers an important part of the exam and hence it must be prepared thoroughly. SSC, Railways & many other government job exams are scheduled to be held in the upcoming months. It needs complete understanding of the basic concepts along with thorough understanding. This page will provide you all the quizzes of the Arithmetic section of various exams such as RRB NTPC, SSC CHSL, SSC MTS etc. Practice the quantitative aptitude quizzes given below and surpass the high cut off marks in the exam.
ExamsCart is providing free quizzes to help all the aspirants with the SSC & Railway Quantitative Aptitude section by providing links to attempt quizzes. You can attempt quizzes as per the exam interface before the actual exam by attempting the quizzes on the web browser. It’s time to pull up your socks and burn the midnight oil by practicing the SSC Quantitative Aptitude quiz daily.
Quantitative Aptitude Quiz: Set 92
1.X can do a piece of work in ‘p’ days and Y can do the same work in ‘q’ days. Then the number of days in which X and Y can together do that work is
a. p+q/2
b. 1/p + 1/q
c. pq/p+q
d. pq
c. pq/p+q Explanation: X’s one day’s work =1/p; Y’s one day’s work =1/q; (X + Y)’s day’s work = 1/p + 1/q; Hence, X and Y both can do that work = 1/(p+q/pq)=pq/(p+q).
2.A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is
a. 5%
b. 10%
c. 15%
d. 20%
a. 5% Explanation: Marked price = 1.4*CP; Discounted price = 0.75*1.4*CP= 1.05*CP; % gain = (1.05CP-CP)*100/CP = 5%.
3.The ratio of the ages of two boys is 3:4. After 3 years, the ratio will be 4:5.The ratio of their ages after 21 years will be
a. 14:17
b. 17:19
c. 11:12
d. 10:11
d. 10:11 Explanation: Supoose Boy B1 = 3x and Boy B2 = 4x; After 3 years, (3x+3)/(4x+3) = 4/5; => x=3; Boy B1’s age = 9 years; Boy B2’s age = 12 years; The required age ratio = (9+21)/(12+21) = 30/33 = 10: 11
4.The cost price of 25 books is equal to the selling price of 20 books. The profit percent is
a. 20%
b. 22%
c. 24%
d. 25%
d. 25% Explanation: 25* CP = 20*SP; % profit = (SP – CP)*100/CP = (SP/CP -1)*100 =(25/20 – 1)*100 = 25%.
5.One number is 25% of another number. The larger number is 12 more than the smaller. The large number is
a. 48
b. 16
c. 4
d. 12
b. 16 Explanation: 1st number = x; 2nd number= 0.25x; x = 0.25x+12; => x = 12/0.75 = 16;
6.A train 500 m long, running at a uniform speed, passes a station in 35 sec. If the length of the platform is 221 m, the speed of the train in km/hr is
a. 721/35
b. 74.16
c. 24.76
d. 78.54
 b. 74.16 Explanation: Total distance traveled = 221 + 500 = 721 m; Hence, the train’s speed = 721/35 = 20.6 m/sec = 74.16 kmph.
7.If the simple interest on Rs. 400 for 10 years is Rs. 280, then rate of interest per annum is
a. 7%
b. 7 ½ %
c. 7 ¼ %
d. 8 ½ %
a. 7% Explanation: I = PRT/100; R = 280*100/(400*10) = 7%.
8.G and AD are respectively the centroid and median of the triangle ΔABC.The ratio AG:AD is
a. 3:2
b. 2:3
c. 2:1
d. 1:2
b. 2:3 Explanation: It is a triangle’s property, if centroid of a triangle is located at the median then it will cut the median in 2:3 ratio.
9.A point P lying inside a triangle is equidistant from the vertices of the triangle. Then the triangle has P as its
a. Centroid
b. Incentre
c. Orthocentre
d. Circumcentre
d. Circumcentre  Explanation: It is a property of triangle, if a point lying inside a triangle is equidistant from the vertices of the triangle, then this is called circumcentre.
10.If sinθ + cosθ = 1, then the sinθ cosθ is equal to
a. 0
b. 1
c. ½
d. -½
a. 0 Explanation: sinθ + cosθ = 1; Squaring both sides- Sin2θ + cos2θ + 2sinθcosθ =1; => sinθ * cosθ =0;
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