
(9) If are in G.P., then are in :
(a) A.P. (b) G.P. (c) H.P. (d) None
(10) The cost of three pens, five pencils and two books is ₹ 68. The cost of six pens,
seven pencils and four books is ₹ 121. The cost of nine pens, fifteen pencils and six
books is ₹ 204. Find the cost of each book.
(a) ₹ 7 (b) ₹ 11
(c) ₹ 5 (d) Cannot be determined
(11) In how many years will sum of money double itself at 12% simple interest per
annum?
(a) 6 years 9 months (b) 7 years 6 months
(c) 8 years 3 months (d) 8 years 4 months
(12) Find the value of p for which the quadratic equation
has equal roots:
(a)
(b) 3, 5 (c)
(d)
(13) If the price of a commodity in a place has decreased by 30% over the base period
prices, then the index number of the place is :
(a) 30 (b) 60 (c) 70 (d) 80
(14) If
and then the value of
is :
(a) 64 (b) 128 (c) 184 (d) 194
(15) The 6
th
and 8
th
terms of an A.P. are 12 and 22 respectively its 2
nd
term is :
(a) 8 (b) -8 (c) 6 (d) -3
(16) ‘A’ started from his house and walked 20 m towards East, where his friend ‘B’
jointed him. They together walked 10 m in the same direction. Then ‘A’ turned left
while ‘B’ turned right and travelled 2 m and 8 m respectively. Again ‘B’ turned left
to travel 4 m followed by 5 m to his right to reach his office. ‘A’ turned right and
travelled 12 m to reach his office. What is the shortest distance between the two?
(a) 15 m (b) 17 m (c) 19 m (d) 20 m
(17) If the sides of a triangle are in the ratio of
& its perimeter is 104 cm. the
length of longest side is ?
(a) 52 cm (b) 48 cm (c) 32 cm (d) 26 cm
(18) A simple random sample of size 10 is drawn without replacement from a universe
containing 85 units. If the mean 90 and S.D. 4 is obtained from the sample, what is
the estimate of the standard error of sample mean?
(a) 0.1176 (b) 0.58 (c) 1.19 (d) 1.26
(19) An index time series is a list of __________ number of two or more period of time,
where each index number employs the same base y can
(a) Index (b) Absolute (c) Relative (d) Sample