**Directions (1-5): Find the wrong number in following number series.**

**Q1. 23, 38, 55, 68, 83, 92, 107**

(a) 23

(b) 55

(c) 92

(d) 68

(e) 38

**Q2. 2, 5, 14, 43, 122, 365, 1094**

(a) 14

(b) 5

(c) 2

(d) 43

(e) 1094

**Q3. 12, 21, 46, 95, 216, 383, 674**

(a) 383

(b) 12

(c) 21

(d) 46

(e) 216

**Q4. 1728, 1560, 1420, 1308, 1224, 1166, 1140**

(a) 1560

(b) 1308

(c) 1728

(d) 1166

(e) 1140

**Q5. 26, 28.4, 33.2, 42.8, 62, 100.4, 175.2**

(a) 26

(b) 100.4

(c)175.2

(d) 33.2

(e) 62

**Q7. The speed of boat in still water is 40% more than speed of stream. If the boat covers 108 km downstream and 24 km upstream in 7 hours, then find the time taken by boat to cover 72 km downstream?**

(a)1 hour

(b)1.5 hours

(c)2 hours

(d)2.5 hours

(e)None of these

**Q8. The compound interest on a certain sum of money for 2 years is Rs 1050 while the simple interest on the same sum at the same rate for 3 years is Rs 1500.Find the sum?**

(a)Rs 20000

(b)Rs 15000

(c)Rs 12500

(d)Rs 10000

(e)Rs 5000

**Q9. 24 men can eat 24 chocolates in 24 days. In how many days can 8 men eat 8 chocolates?**

(a)8 days

(b)12 days

(c)20 days

(d)15 days

(e)24 days

**Q10. Ramesh’s income is Rs 8000. He spends 10% on clothing, 15% and x % of the remaining on groceries and rent respectively. Now, he spends 25% of the remaining on food. If he is left with Rs 4320, then find x? **

(a)2

(b)3

(c)4

(d)5

(e)6

**Q11. Average age of Y, Z and A is 27 years. Average age of Y and Z is 28 years, average age of Z and A is 24.5 years and Average age of A and Y is 28.5 years. Find the age of the oldest among them? **

(a)25 years

(b)24 years

(c)32 years

(d)35 years

(e)38 years

**Q12. Selling Price of a shirt is Rs 3600 and a discount of 10% is given on MRP of that shirt. If sum of profit earned and given discount is Rs.1120, what is profit percent earned on shirt?**

(a)10%

(b)20%

(c)5%

(d)15%

(e)25%

**Q13. Total girls in a class are 1470. Ratio of total boys to total students in that class is 3 : 10. If number of teachers are 30% of the boys, then find the difference between number of teachers and number of girls? **

(a)1291

(b)1225

(c)1271

(d)1281

(e)1265

**Q14. The simple interest received on Rs 5600 at (5+r) % per annum for 2 years is Rs 1680. Find the compound interest earned on the same sum at r% per annum for 2 years ?**

(a)Rs 1176

(b)Rs 1150

(c)Rs 1200

(d)Rs 1148

(e)Rs 1172

**Q15. If perimeter of a semicircle and a square are equal, then find the ratio of area of semicircle to that of square ?**

(a)77 : 81

(b)81 : 85

(c)85 : 81

(d)75 : 73

(e)73 : 75

**Solutions**