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Given:total time = 5hr, speed(towards school)=3km/hr,speed(towards home)=2km/hr
first, we find his average speed [2xy/(x+y)] i.e,
average speed= (2*3*2)/(2+3) = 12/5 km/hr
distance=speed x time
distance= (12/5) x 5 = 12km
but this is wrong correct answer is 6km.
The average age of women at a tea party is 58.When three women leave early and two join after those three have left,the average age of the women becomes 60. What is the difference between the sum of the ages of the group of three who left and that of the group of two who joined?
annual payment of Rs 80 in 5 years at 5% p.a. simple interest will discharge a debt of ______
Ram went to cousin\’s place and spent his vacation.in the morning ram and his cousin went for jog and in the evening for tennis,tiring up with these activities ,they managed only one per day either jogging or tennis.there was a day where they felt lazy and took leave for all the day long.there were 12 mornings where they did nothing ,and 18 evenings at home and a total of 14 days where they jogged and played tennis, find how many days did ram stay at his cousins place?
A number when successively divided by 1,2 and 8 leaves reminders 1,4 and 7 respectively. find the respective reminders if the order of divisors be reversed.
The incomes of three families P, Q and R are in the ratio of 6:8:11 and their expendituresare in the ratio of 5:8:10. If family P saves ½ of his income, then the savings of families P, Qand R are in the ratio of?
what will be the ratio of the simple intrest earned by the certain amount at yhe same rate of the intrest for six year and that for nine year
If D + I + M = 1501 C+ I + V + I + L = 157 L + I + V + I + D = 557 C +I + V+ I + C = 207What is V + I + M = ?
Five people – Pavan, Qureshi, Rohit, Suman and Tarun – travelled from Hyderabad to Bangalore using different modes of transport among Plane, Train, Car, Bike, and Bus. During their journey, only four of them had something to eat on the way, while one did not have anything to eat. Among the four who did have something to eat, each had a different dish among Samosas, Peanuts, Fried Rice, and Sandwich. The following information is also known about their journeys and what each of them ate on the way:(i) The Plane was the first to reach Bangalore while the Bike was the last.(ii) The person who reached first did not eat Samosas and Rohit reached before Pavan.(iii) Qureshi travelled by Train and had Fried Rice.(iv) The person who had Peanuts reached second, while Tarun, who travelled by Bus, was the next to reach Bangalore.(v) The person who travelled on the Bike had a Sandwich on the way and he was not Suman.
A team of 30 men is supposed to do a work in 38 days. After 25 days, 5 more men were employed and the work was finished one day earlier. How many days would it have been delayed if 5 more men were not employed?
(A) 5 days (B) 2 days
(C) 3 days (D) 1 day
एक आदमी को
जिस दिन जो तारीख हो
उतने रु खर्च करने की आदत थी
(उदा. 18 ता को 18 रुपये.)
एक बार उसके लगातार 5 दिनों के 63 रु खर्च हो गए
वो 5 तारीखे कौनसी थी?
जवाब बहुत आसान है । यदि आपने दे दिया तो मान जायेंगे आपको । तो दिखाओ अपना TALENT….
एक आदमी को जिस दिन जो तारीख हो उतने रु खर्च करने की आदत थी (Example. 18 तारीख को 18 रुपये.) एक बार उसके लगातार 5 दिनों के 63 रु खर्च हो गए तो बताइये वो 5 तारीखे कौनसी थी? जवाब बहुत आसान है । यदि आपने दे दिया तो मान जायेंगे आपको । तो दिखाओ अपना TALENT .
If someone have a habbit to spend money same as the day having day like Rs. 18 on 18th and Rs. 19 on 19th one day he spend Rs. 63 of 5 days in one day then which are those 5 dates?