461.
A’s marks in Mathematics are directly proportional to practice time. In 6 hours of practice, A gets 70 marks. What should be
the practice time (approximately) to get 90 marks?
(A)
8 hours
(B)
8.3 hours
(C)
7 hours
(D)
7.7 hours
462.
Let C be a circle with center O and AB be a chord of C such that the length of AB is equal to the radius of C. Let D be any
point on major arc of AB. Find ∠AOB and ∠ADB, respectively.
(A)
120°; 100°
(B)
60°; 30°
(C)
100°; 80°
(D)
90°; 60°
463.
A person borrowed some money at the rate of 8% per annum for the first two years, at the rate of 11% per annum for the
next three years, and at the rate of 16% per annum for the period beyond five years. If he pays a total interest of ₹21,400 at
the end of nine years, how much money did he borrow (round to the nearest unit) ?
(A)
₹11,938
(B)
₹18,738
(C)
₹15,938
(D)
₹18,938
464.
A person spends 60% of his salary on family expenses, 10% on medical expenses, 5% on charity, and saves the remaining
amount. If the amount on savings is ₹4,000, find his monthly salary.
(A)
₹16,000
(B)
₹12,000
(C)
₹14,000
(D)
₹15,000
465.
The whole surface area of a cube is 294 cm2. The volume of the cube is:
(A)
243 cm3
(B)
343 cm3
(C)
512 cm3
(D)
216 cm3
466.
X and Y can do a job in 18 days; Y and Z can do the same in 24 days. If all the three can finish the job in 12 days, in how
many days can X and Z can complete the job?
(A)
(B)
(C)
(D)
467.
The price of a motorcycle was $750 last year. The price increased by 20% this year. What is the price of the motorcycle this
year?
(A)
$750
(B)
$900
(C)
$600
(D)
$790
468.
The following pie chart represents the percentage domestic expenditure of Raman over his family. Study the pie chart
carefully and answer the question given below.
After paying the House Rent and expending over Food and Children’s Education, what is Raman's remaining monthly
income (in ₹)?
(A)
12,750
(B)
20,250
(C)
15,750
(D)
29,250
469.
The number of subjects in which the students of a class have failed is given in the following table.
Find the total number of students who have failed in more than 3 subjects.
(A)
11
(B)
10
(C)
17
(D)
12
470.
In an election, a voter has choices to vote for one candidate out of three candidates. There is also an option ‘None OfThe
Above’ (NOTA) to reject all candidates. The three candidates get votes that are 6 times NOTA. The winner gets votes that are
twice the second runner-up’s votes. The first runner-up gets 900 votes more than NOTA and defeats the second runner-up
by 150 votes. What is the total number of votes polled?
