**1. 25 lit of a mixture of acid 1 and acid 2 containing 55 % of
acid 1 is mixed with 15 lit of another mixture containing 37 % of acid 2 to get
a mixture D. Now mixture D is mixed with 30 lit of mixture C and percentage of
acid 2 becomes 48%, then find percentage of acid 1 in mixture C. (all mixture
containing acid 1 and acid 2 only)**

a) 56%

b) 44 %

c) 48%

d) 42%

e) 50%

**2. A, B and C invests Rs. 92000, Rs. 115000 and Rs. 138000 in a
business. At the end of year profit of A and B is given to a trust and profit
of C is distributed among them in such a way that C gets 16 2/3% of his total
profit and rest is distributed between B and A in ratio 2:3 respectively. In
this process B gets Rs. 30000. Find their total actual profit (In Rupees).**

a) 150000

b) 300000

c) 225000

d) 200000

e) 175000

**3. Manoj and Hemant purchased two bikes 18 years ago at
different price. If price of their bike were decreasing at the rate of 5 15/17%
per year and Manoj sold his bike 2 years before Hemant, then their selling
price became same. If difference between their purchasing price was 1320, then
find purchasing price of Manoj’s Bike. (Note – Both sold their bikes at
depreciated prices and Hemant sold his bike after 18 years).**

a) Rs 11560

b) Rs. 11060

c) Rs. 9000

d) Rs. 9200

e) Rs. 10240

**4. Vikash and Mohit started from point A towards point Q.
Distance between A and Q is 9 km. If Mohit starts after 4 min., then he will
meet Vikash 1 km away from point Q at a time when Vikash is returning towards
point A after reaching point Q and Vikash can cover 1 km in 6 min. find speed
of Mohit in km/min.**

a) 1/7

b) 1/8

c) 1/9

d) 1/6

e) 1/12

**5. A Boat is moving in downstream and speed of Boat in still
water is 5 times speed of current. After 16 km due to technical problem speed
of boat (in still water) reduced by 20 % and it cover 40 km distance with this
speed. If average speed of whole journey is 7/20 km/min, then find speed of
current.**

a) 4 1/8 kmph

b) 2 7/10 kmph

c) 4 kmph

d) 5 kmph

e) 4 3/8 kmph

**6. Hemant purchased some book and by selling 40% of total books
he will get cost price of 80% books. If he sells 70% of remaining books at half
of its initial profit percent and rest of the books remain unsold, find his
overall profit %.**

a) 40%

b) 45%

c) 75%

d) 43%

e) 63%

**7. Shubham work for 5 days and remaining work was completed by
Harvinder in 9 days. If Harvinder work for 12 days then remaining work was
completed by Shubham in 3 days, then find how much time Harvinder will take to
complete the work alone.**

a) 11 days

b) 16 1/2 days

c) 16 2/3 days

d) 11 1/2 days

e) 6 3/5 days

**8. In a bag there are 6 blue, 4 red and 5 green balls. Three
balls are chosen at random with replacement, find probability of getting utmost
one color.**

a) 27/125

b) 64/125

c) 64/3375

d) 1/27

e) 3/25

**9. A large sphere of radius ‘R’ cm was converted into 64 small
spheres of radius ‘r’ cm and then one small sphere is converted into 16 smaller
cones of radius of ‘a’ cm. If height of cone is two times of its radius, then
find R:a:r.**

a) 6:1:2

b) 4:2:1

c) 8:1:2

d) 4:1:2

e) 16:1:4

**10. Ratio of present ages of A to B is 2:3. Ratio of sum of
present age of A and C together to sum of present ages of B and C is 11:13. If
the average present age of A, B and C is 22 years 8 months then find present
age of A.**

a) 16 years

b) 24 years

c) 28 years

d) 12 years

e) None of these

**Video Solution: **