781.
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)
782.
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)
783.
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
784.
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
785.
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
786.
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.
(A)
50°
(B)
30°
(C)
45°
(D)
40°
787.
A number increased by 20% gives 240. Find the number.
(A)
240
(B)
280
(C)
200
(D)
250
788.
If the number 6p5157q is divisible by 88, then p × q = ______, where p and q are single digit numbers.
(A)
15
(B)
18
(C)
20
(D)
12
789.
The sum of two numbers is 76. Three times the larger number is 46 more than four times the smaller one. Find the two
numbers.
(A)
35 and 41
(B)
40 and 36
(C)
44 and 32
(D)
50 and 26
790.
∆ABC and ∆PQR are similar. The areas of these two triangles are 289 sq.cm and 576 sq.cm, respectively. If PR = 12 cm, then
AC = ?
