Data Interpertation & airthmatic
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(10) The salary of A is Rs 500 less than that of B. Salaries of A and B are first increased by 20% each and then their salaries are decreased by
25% each such that the ratio becomes 9 : 10. What would be total salary of A and B together?
(a) Rs 9000
(b) Rs 10000
(c) Rs 9500
(d) Rs 18000
(e) None of these
(9) Dharmesh spent 44.44% of his salary on food and Rs 5400 on rent of his house. He saved an amount which is 50% more than the amount he spent on rent. Next, his salary increases by 25%, therefore he increases his savings by 10%. What is the amount spent by him on food and rent now?
(a) Rs 20065
(b) Rs 22565
(c) Rs 23465
(d) Rs 21465
(e) None of these
(8) A shopkeeper sells cardboard and pencil. The number of cardboard sold is 60% of the number of pencil. The selling price of each cardboard and that of each pencil is in the ratio of 3 : 4. If the total selling price a cardboard and a pencil is Rs 420 and he sold total number of pencils for Rs 9600. Find the total number of cardboards sold.
(a) 40
(b) 36
(c) 24
(d) 18
(e) None of these
(7) The HCF of two numbers is 4 and their product is 2912. What would
be their LCM?
(a) 720
(b) 728
(c) 740
(d) 724
(e) None of these
(6) The surface area of a sphere having diameter 42 cm is how much more or less than the total surface of area of a cube having side 12 cm?
(a) 4680 cm2
(b) 4460 cm2
(c) 4980 cm2
(d) 4580 cm2
(e) None of these
(5) A alone can do a piece of work in 20 days and A and B together can
complete half of the work in S days. B alone can complete the work in 30 days. What is the value of S?
(a) 12
(b) 5
(c) 6
(d) 10
(e) None of these
(4) The age of P after 6 years is 4 less than the present age of Q. If the ratio of the present age of P to that of Q is 5 : 6. Find the age of Q after 10 years?
(a) 60 years
(b) 50 years
(c) 82 years
(d) 70 years
(e) None of these
(3) A person travels 40 km/hr for the first one-third of the total distance
and at 50 km/hr for the remaining part of the distance. What is his
average speed for the total distance in km/hr?
(a) 700/13 km/hr
(b) 600/13 km/hr
(c) 500/17 km/hr
(d) 500/13 km/hr
(e) None of these
(2) A and B are two alloys of copper and zinc prepared by mixing the
respective metals in the ratio of 5 : 4 and 5 : 8 respectively. If the alloys A
and B are mixed to form a third alloy C with an equal proportion of
copper and zinc, what is the ratio of alloys A and B in the new alloy C?
(a) 55 : 62
(b) 56 : 71
(c) 4 : 7
(d) 15 : 19
(e) None of these
(1) Equal quantities of three mixtures of milk and water are mixed in the ratio of 1 : 3, 2 : 3, 4 : 1. The ratio of water and milk in the mixture is:
(a) 29 : 31
(b) 30 : 31
(c) 31 : 29
(d) 41 : 10
(e) None of these
2444 + 2763 – 1643 = ? + 244 – 6440
(a) 9760
(b) 8960
(c) 6660
(d) 8360
(e) None of these
26.66% of 4755 + 64% of 2000 = ? + 250% of 844
(a) 448
(b) 528
(c) 318
(d) 438
(e) None of these
(13 × 19) + 20% of 960 + (2/3) of 1140 = ?² × 11 + 99
(a) 11
(b) 20
(c) 10
(d) 15
(e) None of these
(2/17) of 1445 + (29 × 17) + 2⁵ = ?
(a) 695
(b) 705
(c) 515
(d) 715
(e) None of these
7.14% of 1092 + 25% of 1944 + 33.33% of 570 = ?2 – 30
(a) 529
(b) 784
(c) 841
(d) 729
(e) None of these
√3481 + 24 × 32 + (2/3) of 1260 = ?2 + 67
(a) 38
(b) 45
(c) 40
(d) 48
(e) None of these
(2/11) of 1078 + (3/7) of 595 + (3/5) of 965 = ?
(a) 1030
(b) 1445
(c) 2030
(d) 1880
(e) None of these
7465 + 2496 – 2103 + 2494 = ? + 624
(a) 8788
(b) 9558
(c) 9668
(d) 9728
(e) None of these
84% of 750 + (3/13) of 1170 = ?% of 1600 + 180
(a) 40
(b) 45
(c) 58
(d) 55
(e) None of these
66.66% of 1680 + 75% of 1156 = ?% of 2000
(a) 99.35
(b) 105.25
(c) 97.75
(d) 98.45
(e) None of these
