پاک اسٹڈی لائبریری اپنی خدمات کو بہتر کرنے کے لئے نئے سوفٹ وئیر انسٹال کررہی ہے ۔ اس لئے آئندہ کچھ دن آپ کو کچھ صفحات تک رسائی میں مشکلات کا سامنا ہوسکتا ہے ۔ جس کے لئے ہم معذرت خواہ ہیں۔
Pak Study Library is installing new software to improve its services. herefore, in the next few days, you may face difficulties in accessing some pages. sorry for the inconvenience.
a boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. the speed of the stream is--------?
3 km/h | |
5 km/h | |
7 km/h | |
2 (1/2) km/h |
a boat covers a distance of 30 km in 2 ½ hours running downstream while returning it covers the same distance in 3 ¾ hours.
8km/hr | |
14 km/hr | |
12km/hr | |
none of these |
a boat can move upstream at 25 kmph and downstream at 35 kmph, then the speed of the current is---------?
1 | |
30 kmph | |
5 kmph | |
10 kmph |
a began business with rs.45000 and was joined afterwards by b with rs.5400.
7 months | |
4 months | |
9 months | |
6 months |
a began a business with rs. 85,000. he was joined afterwards by b with rs. 42,500.
5 months | |
8 months | |
6 months | |
4 months |
a basket has 5 apples and 4 oranges. three fruits are picked at random. the probability that at least 2 apples are picked is----------?
20-Sep | |
23-Oct | |
41/42 | |
25/42 |
a bag contains nine yellow balls, three white balls and four red balls. in how many ways can two balls be drawn from the bag?
³c₂ | |
⁹c₂ | |
¹⁶c₂ | |
¹²c₂ |
a bag contains five white and four red balls. two balls are picked at random from the bag.
9-Apr | |
9-May | |
9-Jul | |
9-Aug |
a bag contains equal number of rs.5, rs.2 and re.1 coins. if the total amount in the bag is rs.1152, find the number of coins of each kind?
144 | |
432 | |
288 | |
72 |
a bag contains a total of 93 coins in the form of one rupee and 50 paise coins.
56 | |
60 | |
64 | |
74 |
a bag contains 7 green and 8 white balls. if two balls are drawn simultaneously, the probability that both are of the same colour is -.
5-Feb | |
5-Mar | |
15-Jul | |
15-Aug |
a bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. if the total amount is rs. 352, find the total number of coins in the bag.
240 | |
160 | |
250 | |
200 |
a bag contains 1 rupee, 2 rupee and 5 rupee coins amounting to rs.264.
24 | |
48 | |
8 | |
66 |
a and b start a business with rs.6000 and rs.8000 respectively. hoe should they share their profits at the end of one year?
3:04 | |
3:07 | |
1:02 | |
2:05 |
a and b’s salaries together amount to rs. 2,000. a spends 95% of his salary and b spends 85% of his.
rs.750 | |
rs.1500 | |
rs.500 | |
rs.1250 |
a and b working separately can do a piece of work in 9 and 12 days respectively. if they work for a day alternately.
41/4 days | |
42/4 days | |
55 days | |
none of these |
a and b walk around a circular track. a and b walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. if they start at 8 a.m.
6 | |
7 | |
8 | |
5 |
a and b together take 6 days to complete a task. b and c together take 12 days to complete the same task. a and c together take 8 days to complete it.
4 days | |
1(1/3) days | |
4(2/3) days | |
5(1/3) days |
a and b together can complete a work in 1.2 days,. a alone can complete it in 20 days.
11 days | |
15 days | |
10 days | |
20 days |
a and b starts a business with rs.8000 each, and after 4 months, b withdraws half of his capital .
11:09 | |
18:11 | |
22:13 | |
23:12 |
a and b start a business jointly. a invests rs.16000 for 8 months and b remains in the business for 4 months.
rs.6000 | |
rs.10000 | |
rs.12800 | |
rs.8000 |
a and b rent a pasture for 10 months. a put in 80 cows for 7 months.
280 | |
180 | |
120 | |
200 |
a and b put in rs.300 and rs.400 respectively into a business.
40:39:00 | |
4:03 | |
3:04 | |
39:40:00 |
a and b invests rs.8000 and rs.9000 in a business.
34:43:00 | |
37:45:00 | |
32:45:00 | |
20:23 |
a and b invests rs.3000 and rs.4000 respectively in a business. if a doubles his capital after 6 months.
3:04 | |
9:10 | |
39:49:00 | |
9:08 |