Maths Quiz for 2016-17 Exams

1.A ladder is resting against a wall at a height of 10 m. If the ladder is inclined with the ground at an angle of 300, then the distance of the foot of the Ladder from the well is :
(a) 10/√3   
(b ) 20/√3
(c) 10 √3   
(d) 20√3

2.A train 800 meters long is running at the speed of 78 km/h. If it crosses a tunnel in one minute, then the length of the tunnel (in meters) is —
(a) 2100   
(b) 500
(c) 1300   
(d) 1500

3.If the simple interest on a certain sum of money after 3 1⁄8 years is 1⁄4 of the principal, what is the rate of interest per annum?
(a) 8%   
(b) 7 %
(c) 9%   
(d) None of these

4.If the diagonals of a rhombus are 24 cm and 10 cm, what will be its perimeter
(a) 54 cm   
(b) 52 cm
(c) 48 cm   
(d) None of these

5.A man covered a certain distance at some speed. Had he moved 3 km per hour faster, he would have taken 40 minutes less. If he had moved 2 km per hour slower, he would have taken 40 minutes more. The distance (in km) is —
(a) 20   
(b) 35
(c) 36 2/3  
(d) 40

6.In an examination, 70% of the candidates passed in English, 80% passed in Mathematics, 10% failed in both the subjects. If 144 candidates passed in both, the total number of candidates was —
(a) 125   
(b) 200
(c) 240   
d) 375

7.A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet?
(a) 126 sq ft.   
(b) 64 sq .ft.
(c) 100 sq. ft  
(d) 410 sq.ft

8.A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work?
(a) 60   
(b) 40
(c) 49   
(d) None of these

9.8% of the voters in an election did not cast their votes. In this election, there were only two candidates. The winner by obtaining 48% of the total votes defeated his rival by 1100 votes. The total number of voters in the election was —
(a) 21000   
(b) 23500
(c) 22000   
(d) 27500

10.HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers are —
(a) 75   
(b) 72
(c) 63   
(d) None of these