1 .
The marked price of an article is Rs. 500. A shopkeeper gives a discount of 5% and still makes a profit of 25%. The cost price of the article is
Answer & Explanation
Answer : Option B |
|
Explanation : |
|
Cost price = 500 $\times$ $95 \over 100$ $\times$ $100 \over 125$ = Rs. 380 |
2 .
A can do a piece of work in 12 days and B in 15 days. They work together for 5 days and then B left. The days taken by A to finish the remaining work is
Answer & Explanation
Answer : Option A |
|
Explanation : |
|
|
3 .
If the point inside a triangle are equidistance from the vertex of the same triangle, what is the name of that point ?
Answer & Explanation
Answer : Option D |
|
Explanation : |
|
|
4 .
The radii of both ends of a bucket of height 28 cm are 16 cm and 10 cm respectively. Then its capacity is
Answer & Explanation
Answer : Option B |
|
Explanation : |
|
|
5 .
Water in a river which is 6 m deep and 34 m wide is flowing at the rate of 4 km/hr. How much water will fall into the sea by the river in a minute?
Answer & Explanation
Answer : Option C |
|
Explanation : |
|
|
6 .
A right circular cone has base radius 9 cm and its height is 36 cm. A section is made by a plane parallel to its base through a height of one third the height of the cone. Find the volume of the sectioned part.
Answer & Explanation
Answer : Option C |
|
Explanation : |
|
|
7 .
A tank is normally filled in 10 hrs but it takes 2 hrs longer to fill because of a leak in its bottom. If the cistern is full, in how many hours will the leak empty it?
Answer & Explanation
Answer : Option B |
|
Explanation : |
|
shortcut method :
$10 \times 12 \over 12 - 10$ = 60 hrs |
8 .
A, B and C start to walk together from the same place round a circular path of length 15 km. A walks at the rate of 5 km/hr, B at the rate of 3 km/hr and C, at the rate of $5\over 2$ km/hr. They will meet at the starting place at the end of-
Answer & Explanation
Answer : Option C |
|
Explanation : |
|
Time taken to complete a revolution by:-
A = $15\over 5$ = 3 hrs
B = $15\over 3$ = 5 hrs
C = $15\over 5$ $\times$ 2 = 6 hrs
Required time = L.C.M. of 3, 5 and 6 hrs
= 30 hrs |
9 .
A boat covers 16 km upstream and 24 km downstream in 4 hrs, while it covers 24 km upstream and 16 km downstream in 4$1 \over 2$ hrs. The speed of the current is-
Answer & Explanation
Answer : Option A |
|
Explanation : |
|
|
10 .
At a certain rate of simple interest, A lends Rs. 5000 to B for 2 years and Rs. 2000 to C for 4 years and receives a total interest of Rs. 900 from them. The rate of interest per annum was-
Answer & Explanation
Answer : Option A |
|
Explanation : |
|
|
Sponsored Links