1271.
From a circle of radius r units, the largest equilateral triangle is cut out. What is the length (in units) of the side of the
triangle?
(A)
(B)
(C)
(D)
1272.
By what percentage should a racer increase the speed to reduce the time by 25% to cover a fixed distance?
(A)
(B)
(C)
(D)
1273.
The population of a village was 4,00,000. It increased by 20% in the first year and increased by 30% in the second year. Its
population after two years is _______.
(A)
6,25,000
(B)
6,24,000
(C)
5,40,000
(D)
5,20,000
1274.
A laptop charger is sold for Rs.2,540 in cash or for a down payment of Rs.1,340 in cash together with Rs.1,205 to be paid
after one month. Find the rate of interest charged in the instalment scheme.
(A)
20% p.a.
(B)
10% p.a.
(C)
5% p.a.
(D)
15% p.a.
1275.
Find the altitude (in cm) from the vertex Q to side PR of triangle PQR with side lengths PQ = 40 cm, PR = 40 cm and QR = 60
cm.
(A)
(B)
(C)
(D)
1276.
PQR is a triangle. MN is a line segment intersecting PQ in M and PR in N such that MN ∥ QR and divides ΔPQR into two
parts, which are equal in area. What is the ratio of MQ to PQ?
(A)
(B)
(C)
(D)
1277.
The following line graph shows the units manufactured by a company in some months. In which month did the company
report the highest growth (in %) in production as compared with the respective previous month’s production?
(A)
July
(B)
October
(C)
June
(D)
September
1278.
A solid metallic sphere of radius 6 cm is melted and recast into spherical balls of radius 3 cm. The number of spherical balls
thus obtained is:
(A)
6
(B)
10
(C)
4
(D)
8
1279.
The ratio of red to green sweets in a bag is 3 : 4. How many red sweets are there in the bag if the number of green sweets is
120?
(A)
100
(B)
80
(C)
70
(D)
90
1280.
PBA and PDC are two secants. AD is the diameter of the circle with the centre at O. ∠A = 30°, ∠P = 20°. Find the measure of
∠DBC.
