Directions (1-5): What will come in place of question-mark (?) in the given number series?
Q1. 158 78 38 18 8 ?
(a) 3
(b) 5
(c) 2
(d) 7
(e) 6
Q2. 16 19 24 33 50 ?
(a) 83
(b) 66
(c) 99
(d) 74
(e) 102
Q3. 402 400 388 358 302 ?
(a) 212
(b) 236
(c) 190
(d) 182
(e) 210
Q4. 31 15 21 50 ? 767.25
(a) 160.5
(b) 171.5
(c) 156.5
(d) 122.5
(e) 143.5
Q5. 5.5 8.5 23 89.5 ?
(a) 455
(b) 420.5
(c) 445
(d) 415.5
(e) 433
Q6.There are three positive numbers, one-third of average of all the three numbers is 8 less than the value of the highest number. Average of the lowest and the second lowest number is 8. Which is the highest number?
(a) 11
(b) 14
(c) 10
(d) 9
(e) 13
Q7. A sum of money was invested for 14 yr in Scheme A which offers simple interest at a rate of 8% per annum. The amount received from Scheme A after 14 yr was then invested for two years in Scheme B which offers compound interest (compound annually) at a rate of 10% per annum. If the interest received from Scheme B was Rs. 6678, then what was the sum invested in Scheme A?
(a) Rs. 15500
(b) Rs. 14500
(c) Rs. 16000
(d) Rs. 12500
(e) Rs. 15000
Q8. Four years ago, the respective ratio between 1/2 of A’s age at the time and four times of B’s age at that time was 5 : 12. Eight years hence 1/2 of A’s age at that time will be less than B’s age at that time by 2 yr. What is B’s present age?
(a) 10 yr
(b) 14 yr
(c) 12 yr
(d) 5 yr
(e) 8 yr
Q9. 12 men can finish a project in 20 days. 18 women can finish the same project in 16 days and 24 children can finish it in 18 days. 8 women and 16 children worked for 9 days and then left. In how many days will 10 men complete the remaining project?
(a) 10 1/2
(b) 10
(c) 9
(d) 11 1/2
(e) 9 1/2
Q10. An item was bought at Rs. X and sold at Rs. Y, thereby earning a profit of 20%. Had the value of X been 15% less and the value of Y been Rs. 76 less, a profit of 30% would have been earned what was the value of X?
(a) Rs. 640
(b) Rs. 400
(c) Rs. 600
(d) Rs. 800
(e) Rs. 840
Directions (11-15): In the following questions, two equations numbered I and II are given. You have to solve both the equations and mark the appropriate answer.
(a) If x ≥ y
(b) If x ≤ y
(c) If x < y
(d) If x > y
(e)If relationship between x and y cannot be established
Q11. I. x^2-3x-88=0
II. y^2+8y-48=0
Q12. I. 5x^2+29x+20=0
II. 25y^2+25y+6=0
Q13.I. 2x^2-11x+12=0
II. 2y^2-19y+44=0
Q14.I. 3x^2+10x+8=0
II. 3y^2+7y+4=0
Q15. I. 2x^2+21x+10=0
II. 3y^2+13y+14=0