1131.
At the beginning of day 1 of a month, Rajesh has 500 eggs. He sells 20% of the eggs by the end of the day and added b% of
the eggs at the beginning of the next day and sold 20% of the eggs at the end of the next day. This pattern continued up to
the end of the third day of the month when he is left with 1024 eggs. The value of b is equal to:
(A)
20
(B)
10
(C)
500
(D)
100
1132.
In ∆ABC the straight line parallel to the side BC meets AB and AC at the points P and Q, respectively. If AP = QC, the length
of AB is 12 cm and the length of AQ is 2 cm, then the length (in cm) of CQ is:
(A)
6
(B)
4
(C)
3
(D)
2
1133.
Find the total amount of debt that will be discharged by 5 equal instalments of ₹200 each, if the debt is due in 5 years at 5%
p.a. at simple interest.
(A)
(B)
(C)
(D)
1134.
Mithila covers 50 km by bus in 90 minutes. After deboarding the bus, she takes rest for 15 minutes and covers another 30
km by a taxi in 35 minutes. Find the average speed (in km/h) for the whole journey.
(A)
(B)
(C)
(D)
1135.
A policeman received information that a thief is at a distance of 1.5 km from him. The thief starts moving by car and the
policeman chases him by car. The thief and the policeman are moving at the speeds of 90 km/h and 120 km/h respectively.
At what distance (in km) will the police catch the thief?
(A)
45.0 km
(B)
5 km
(C)
6 km
(D)
4.5 km
1136.
The perimeter of a triangle is 36 units. Its area cannot be more than ______ square units.
(A)
(B)
(C)
(D)
1137.
Find the difference between the curved surface area and total surface area of a right circular cylinder having a length of 68
cm and base diameter of 28 cm.
(A)
(B)
(C)
(D)
1138.
Two circles of diameters 16 cm and 20 cm are such that the distance between their centers is 13 cm. What is the length (in
cm) of a common tangent to these circles that does not intersect the line joining the centers?
(A)
(B)
(C)
(D)
1139.
An iron box with external dimensions 60 cm, 40 cm, and 20 cm is made of 1 cm thick sheet. If 1 cm3 of iron weighs 50 gm,
the weight of the empty box is:
(A)
214.05 kg
(B)
240 kg
(C)
400 kg
(D)
416.40 kg
1140.
Let C be a circle with Centre O and P be an external point to C. Let PQ and PR be the tangents to C such that Q and R be the
points of tangency, respectively. If ∠ROQ = 110°, find ∠RPQ.
