Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern m
4 and 10 hours, respectively, the third can dram the cistern, when filled, in 6 hours. If all
the three pipes are opened simultaneously when the cistern is three-fifth full, how many
hours will be needed to fill the cistern ?
1). $\frac{36}{11}$
2). $\frac{48}{11}$
3). $\frac{60}{11}$
4). $\frac{24}{11}$
Who has been appointed as the Chief Secretary of the Delhi Government in December
2017 ?
1). Ajeet Vasant
2). Anshu Prakash
3). Aditya Negi
4). Akansha Ranjan
DWT : GZW :: QPM : _____
1). TSP
2). TPS
3). PST
4). STP
Non-metal oxides are usually:
1). amphoteric
2). basic
3). acidic
4). neutral
The square of 11111 is :
1). 1223311
2). 1234321
3). 123454321
4). 321231