Data Interpertation & airthmatic

2021-10-05 04:30:03 ARITHMETIC FOR MAINS EXAMS

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2021-10-02 12:15:05 WRONG NUMBER SERIES FOR MAINS EXAM

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2021-10-02 12:15:05 WRONG NUMBER SERIES FOR MAINS EXAM

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2021-10-02 12:15:05 WRONG NUMBER SERIES FOR MAINS EXAM

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2021-10-02 12:14:14 MAINS ARITHMETIC

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2021-10-02 12:14:14 MAINS ARITHMETIC


A tank has a leak which would empty it in 8 hours. A tap is turned on which admit 6 liters a minute into the tank and it now emptied in 12 hours. How many literes does the tank holds?

a)8260 ltr
b)8640 ltr
c)8560 ltr
d)8800 ltr
e)8720 ltr

Two pipes A and B can fill a cistern in 37 ½ minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if pipe B is turned off after

a)5 min
b)9 min
c)10 min
d)13 min
e)15 min

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

a)6/11
b)5/11
c)7/11
d)8/11
e)9/11

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. Time required by the first pipe to fill the tank is

a)30 hours
b)15 hours
c)10 hours
d)6 hours
e)5 hours

Two pipes A and B can fill a tank in 15 minutes and 40 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

a)10 min 10 sec
b)25 min 20 sec
c)29 min 20 sec
d)20 min 10 sec
e)30 min 05 sec

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2021-10-02 12:14:13 MAINS ARITHMETIC


Two identical walls of same height can be built in 8hr and 10hr by A and B respectively. If both starts building the wall at the same time, find after how much time ratio of the unbuild part of walls built by A and B become 15:16?

समान ऊंचाई की दो समरूप दीवारें A और B द्वारा क्रमशः 8 घंटे और 10 घंटे में बनाई जा सकती हैं। यदि दोनों समान समय में दीवार बनाना शरू करते हैं, तो ज्ञात कीजिए, कितने समय बाद, A और B द्वारा बिना बनाई गयी दीवारों के भाग का अनुपात 15:16 होगा?

A can complete 3/5th of the work in 9 days. A and B together do 1/5th of the same work in 7/4 days . Find time taken by B to complete the work alone.

A एक कार्य का 3/5 भाग 9 दिनों में पूरा कर सकता है। A और B एक साथ उसी कार्य का 1/5 भाग 7/4 दिनों में कर सकता है। B द्वारा अकेले उस कार्य को पूरा करने में लगा समय ज्ञात कीजिए।

If 3 men or 9 boys can finish a piece of work in 21 days. In how many days can 5 men and 6 boys can complete the same piece of work?

यदि 3 पुरुष या 9 लडकें एक कार्य को 21 दिनों में पूरा कर सकते हैं, तो उसी कार्य को 5 पुरुष और 6 लडकें कितने दिनों में पूरा कर सकते हैं?

A container contained 60l milk. Out of this 6l of milk was taken out and replaced with water. This process was repeated two more times further. How much milk is now in container?(in litres)

एक कंटेनर में 60 लीटर दूध है। इसमें से 6 लीटर दूध निकाला जाता है और पानी के साथ प्रतिस्थापित किया जाता है। यह प्रक्रिया आगे दो बार और दोहराई जाती है, तो कंटेनर में अब कितना दूध (लीटर में) है?

In an alloy ‘A’, zinc & copper is in the ratio of 1 : 1. In the second alloy ‘B’, the same element are in the ratio 3 : 5. If these two alloys mixed to form a new alloy in which zinc and copper is in the ratio 2 : 3, find the ratio in which alloy ‘A’ and alloy ‘B’ are mixed?

एक मिश्र धातु 'A' में, जस्ता और तांबा 1:1 के अनुपात में है। दूसरी मिश्र धातु 'B' में, वही तत्व 3: 5 के अनुपात में हैं। यदि इन दोनों मिश्र धातुओं को मिलाकर एक नई मिश्र धातु बनाई जाए, जिसमें जस्ता और तांबा 2: 3 के अनुपात में है, तो ज्ञात कीजिए कि मिश्र धातु ‘A’ और मिश्र धातु ‘B’ को किस अनुपात में मिलाया जाता है?

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2021-10-02 12:14:13 MAINS ARITHMETIC


A and B alone can do a piece of work in x and (x+10) days respectively and they work together can finish the work in 9 3/8 days. Then find the efficiency ratio of A and B?

a) 2:7
b) 5:3
c) 2:3
d) 1:3
e) 4:5

A, B and C all together can do a piece of work in 5 5/11 days. A takes 2 days less than the no of days taken by B and C together then find the no of days taken by A alone?

a) 12
b) 15
c) 10
d) 16
e) 20

A project manager hired 25 boys to complete a project in 10 days. 25 boys started working, after 8 days project manager notices only four-fifth of the work was completed, then how many extra boys required completing the remaining work on time?

a) 2
b) 4
c) 1
d) 0
e) 6


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2021-10-01 08:59:33 ARITHMETIC MAINS

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2021-10-01 08:59:33 ARITHMETIC MAINS

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