721.
Mohan gets 12% increase in his sale amount in the first year and 15% increase in the second year, with that his present sale
is ₹1,28,800. What was his sale two years ago?
(A)
₹1,25,000
(B)
₹1,50,000
(C)
₹1,75,000
(D)
₹1,00,000
722.
The surface area of a cube is 486 cm2 Find the volume.
(A)
(B)
(C)
(D)
723.
A man walking at the speed of 5 km/h covers a certain distance in 3 hours 45 minutes. If he covers the same distance by a
cycle in 2 hours 10 minutes, then the speed of the cycle in km/h is:
(A)
(B)
(C)
(D)
724.
If PQ and PR are the two tangents to a circle with center O, and ∠QOR=150°, then ∠QPR is equal to:
(A)
60°
(B)
30°
(C)
90°
(D)
45°
725.
The ratio of the diameters of two spheres is given as 1 : 4. The larger sphere is melted and 125 identical spheres are made
out of the molten material. The smaller sphere is melted and 27 identical spheres are made out of the molten material. If the
ratio of the volume of each of the 125 identical spheres to the volume of each of the 27 identical spheres is given as 1 : m,
what is the value of m?
(A)
(B)
(C)
(D)
726.
What will be the least value of x so that the 5-digit number 627x5 becomes divisible by 9?
(A)
7
(B)
4
(C)
3
(D)
9
727.
If equation of line p is x + y = 5 and that of line q is x − y = 3, what are the coordinates of the point common to both the
lines?
(A)
(2, 1)
(B)
(2, 3)
(C)
(4, 1)
(D)
(1, 4)
728.
A man spent 60% of his salary on household expenses, 20% of his salary on rent and out of remaining salary, he donated
80% to a trust. If he is left with ₹20,000, then what is his salary?
(A)
(B)
(C)
(D)
729.
Given that the perimeters of two similar triangles, ∆ABC and ∆DEF, are 24 cm and 9 cm, respectively, and DE = 3 cm, what is
the ratio between the area of ∆ABC and that of ∆DEF?
(A)
64 : 9
(B)
54 : 9
(C)
64 : 7
(D)
54 : 7
730.
Which of the following is a correct statement?
(A)
The sum of the angles of a cyclic quadrilateral is always 180°.
(B)
Equal chords are equidistant from the centre of the circle but not always subtend equal angle at centre of the circle
(C)
If two circles touch each other, the point of contact lies on the line joining the two centres.
(D)
Angles subtended by the arc in the same segment of the circle are in ratio of 2 : 1.