Directions (1 – 5): What will come in place of the question mark (?) in the following number series?
Q1. 53, 51.4, 48.2, 41.8, ?, 3.4
(a) 31
(b) 30
(c) 29
(d) 29.4
(e) 29.6
Q2. 6, 4, 5, 11, ?, 189
(a) 39
(b) 45
(c) 34
(d) 36
(e) 41
Q3. 80, 68, 62, 56, ?, 29
(a) 43
(b) 44
(c) 45
(d) 46
(e) 47
Q4. 117, 140, 169, 200, ?, 278
(a) 235
(b) 237
(c) 239
(d) 241
(e) 243
Q5. ?, 8, 14, 38 ,98 ,218
(a) 2
(b) 6
(c) 10
(d) 8
(e) 4
Q6. How many numbers of five digits can be formed by using the digits 0, 1, 2, 3, 4, 5, 6 and 7 if repetition of digits is not allowed?
(a) 5880
(b) 5180
(c) 5980
(d) 6080
(e) 5780
Q7. There is a 8-digits telephone number with all different digits. If the digit at extreme right and extreme left are 6 and 5 respectively then find how many such telephone numbers are possible?
(a) 20,260
(b) 21,160
(c) 20,160
(d) 20,260
(e) 22,260
Q8. Find the number of 7-digit numbers which can be formed by using all digits 6,5,4,5,3,4,3 only once such that the odd digits occupy odd places only?
(a) 24
(b) 15
(c) 18
(d) 20
(e) 30
Q9. How many 5-digit numbers can be formed which contain only one times the digit ‘3’.
(a) 25,842
(b) 29,889
(c) 26,729
(d) 26,889
(e) 29,349
Q10. In how many ways a word of 5 different letter can be formed using 2 vowel at a time.
(a) 3200960
(b) 1596000
(c) 1432000
(d) 1496000
(e) None of these
Q12. ‘A’ invested Rs. 5,000 more than that of ‘B’, while ratio of investment period for ‘A’ and ‘B’ is 2 : 1. If out of total profit of Rs. 2450, ‘A’ got Rs. 1750 then find total investment done by ‘A’ and ‘B’ together
(a) Rs. 20,000
(b) Rs. 45,000
(c) Rs. 25,000
(d) Rs. 30,000
(e) Rs. 40,000
Q13. A cylindrical solid toy (radius 12cm) is melted and poured into a beaker to form a solid cone. Due to splashing some molten metal splash outside the beaker so the volume of the cone reduced. Find the volume of molten metal that splash outside of the beaker if height of both cylinder and cone is 14cm while radius of cone is half of that of cylinder.
(a) 1056 cm^3
(b) 2244 cm^3
(c) 3300 cm^3
(d) 4356 cm^3
(e) 5808 cm^3
Q14. Neeraj’s income is 30% more than Veer’s income which is Rs.6000 more than Satish’s income. If ratio between Neeraj’s income to Satish’s income is 39 : 20, then find Veer’s income
(a) Rs. 9,000
(b) Rs. 12,000
(c) Rs. 18,000
(d) Rs. 15,000
(e) Rs. 21,000
Q15. Abhi invested Rs x at the rate of 15% p.a. on CI for two years and gets total interest of Rs 5805. If Abhi invested Rs (x + 14000) for another 2 yrs at an additional rate of 15%, then what will be the CI on that investment?
(a) Rs 22080
(b) Rs 24000
(c) Rs 25200
(d) Rs 26080
(e) Rs 20080
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