Online Test LOGIN SIGN UP • #### Quantitative Aptitude Practice Algebra Study Material

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##### Ritu can row downstream 20km in 2 hours, and upstream 4km in 2 hours. Find her speed of rowing in still water and the speed of current.

a) 6km/h and 5km/h
b) 6km/h and 4km/h
c) 5km/h and 6 km/h
d) 5km/h and 4 km/h

##### 2 women and 5 men together finish a work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken be 1 man alone.

a) 18 days and 36 days
b) 18 days and 34 days
c) 18 days and 32 days
d) 18 days and 38 days

a) 2, 4
b) 2, 3
c) 3, 2
d) 6, 2

a) 47 .
b) 49
c) 51
d) 53

##### Solve : 3/x + 5/y =12 and 4/x - 6/y = 4.

a) X=19/45, y=17/18
b) X=18/46, y=19/22
c) X=19/46, y=19/18
d) X=19/44, y=19/17

a) X=1,2
b) X=2,3
c) X=1,3
d) X=2,4

##### Solve : x∧(-4)-7x∧(-2)-18=0.

a) X=±(1/ √2), ±(1/3)
b) X=±(1/ 2), ±(1/3)
c) X=±(1/ √2), ±(1/ √3)
d) X=±(1/ 3), ±(1/4)

##### Solve : 4x∧(2/3)+21x∧(1/3)+27=0.

a) X=-(729/64), -27
b) X=-(727/64), -27
c) X=-(727/64), -25
d) X=-(729/64), -29

##### Solve : x∧8-6x∧4+7=0

a) X=1.1222, 1.4495
b) X=1.3222, 1.4495
c) X=1.1222, 1.5495
d) None of these

##### Solve :(2/x∧2)+(17/x)+21=0.

a) X=-(2/3), -(1/7)
b) X=-(1/3), (1/7)
c) X=-(/3), -(2/7)
d) None of these

##### Solution Is :
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