1261.
Mira can complete a piece of work in 20 days, Nina in 30 days and Sima in 40 days. Mira and Sima worked together for 4
days and then Mira was replaced by Nina. In how many days, altogether, was the work completed?
(A)
14
(B)
18
(C)
16
(D)
20
1262.
A and B are two stations 420 km apart. A train starts from A at 11 am and travels towards B at the speed of 70 kmph. Another
train starts from B at 12 noon and travels towards A at the speed of 30 kmph. At what time do they meet?
(A)
2 pm
(B)
1.30 pm
(C)
3.30 pm
(D)
3 pm
1263.
Which of the following is NOT true regarding a circle?
(A)
The largest chord in a circle has a length twice its radius
(B)
Given any three points in a plane, there is always a circle passing through these points
(C)
The ratio of the perimeter and radius of a circle is always constant
(D)
A triangle with vertices on a circle and one side as its diameter is a right-angled triangle
1264.
In an election between two candidates, 30% voters did not cast their votes and 200 votes were declared invalid. The winner
got 65% of the valid votes. If he won by 1200 votes, then find the total votes.
(A)
9000
(B)
6000
(C)
7000
(D)
8000
1265.
In ∆ DEW, AB∥EW. If AD = 4 cm, DE = 12 cm and DW = 24 cm, then find the length of DB.
(A)
7 cm
(B)
6 cm
(C)
9 cm
(D)
8 cm
1266.
The sum of the digits of a two−digit number is 9. The number obtained by interchanging its digits exceeds the given number
by 45, then the original number is:
(A)
18
(B)
27
(C)
36
(D)
54
1267.
A vertical pole of length 6 m casts a 4 m long shadow on the ground. At the same time, a tower casts a 28 m long shadow.
Find the height of the tower.
(A)
42 m
(B)
32 m
(C)
36 m
(D)
48 m
1268.
Three cubes each of side 5 cm are joined end to end. The surface area of the resulting cuboid is:
(A)
150 cm2
(B)
175 cm2
(C)
350 cm2
(D)
75 cm2
1269.
Pomegranate juice contains 10% sugar solution and orange juice contains 30% sugar solution. What is the percentage of
sugar solution in a mixture of two litres of pomegranate juice and three litres of orange juice?
(A)
22%
(B)
25%
(C)
20%
(D)
40%
1270.
In an election, there were only two candidates. One of the candidates secured 44% of the votes and is defeated by the other
candidate by 1440 votes. If there were no invalid votes. then the total number of votes polled is:
