621.
If a circle whose centre is (2, 3) touches the line 4x + 3y − 7 = 0, then the radius of the circle is:
(A)
4 unit
(B)
1 unit
(C)
2 unit
(D)
3 unit
622.
The internal length, breadth and height of a cardboard box are 6 cm, 10 cm and 12 cm, respectively. How many boxes are
needed in which cubes whose volume is 2160 cm3 can be packed?
(A)
4
(B)
3
(C)
6
(D)
5
623.
When a number is divided by 512 it leaves a remainder 67. If the same number is divided by 32, then what will be the
remainder?
(A)
4
(B)
0
(C)
5
(D)
3
624.
The given line graph shows the number of scooters manufactured (in thousands) by companies X and Z, over the years.
What is the average number of scooters manufactured by company X over the given period?
(A)
126500
(B)
213000
(C)
256000
(D)
116500
625.
The triangle has sides 3 cm, 4 cm and 5 cm. What is the length of the perpendicular from the opposite vertex to the side
whose length is 5 cm?
(A)
2.4 cm
(B)
3.5 cm
(C)
1.4 cm
(D)
2.2 cm
626.
In ∆EFG, XY ∥ FG, area of the quadrilateral XFGY = 44 m2. If EX : XF = 2 : 3, then find the area of ∆EXY (in m2).
(A)
8.38
(B)
9.46
(C)
7.28
(D)
8.10
627.
A, B and C can complete a work in 12, 15 and 20 days, respectively. How many days are required to finish the work if they
work together?
(A)
5 days
(B)
3 days
(C)
6 days
(D)
4 days
628.
A man spends 35% of his monthly income on food and four-thirteenths of the remaining income on transport. He incurs
some other expenses, but also saves Rs.6,300 per month, the latter being equal to 20% of the balance remaining just after
spending on food and transport. What is his monthly income (in Rs.)?
(A)
67500
(B)
72,000
(C)
70,000
(D)
63000
629.
In June, Rohit’s bank account balance is ₹5,000 for 25 days, ₹20,000 for 2 days and ₹1,500 for 3 days. What is the average
balance (in ₹) in Rohit's bank account in June?
(A)
5575
(B)
5650
(C)
5200
(D)
6000
630.
What is the number of digits required for numbering a book with 428 pages?