Related Questions

Razia spent 3 hours climbing 6 miles up a hill. She spent 2 hours coming down the hill in a different path which had a length of 8 miles. For Razia's completed climb up and down the hil , what was her average speed, in miles per hour?
A 2.0
B 2.5
C 2.8
D 3.0
A man can walk uphill at the rate of 2.5 hm/hr and downhill at the rate of 3.25 km/hr. If the total time required walking a certain distance up the hill and return to the starting position is 4 hr 36 min, what is the distance he walked up the hill?
A 3.5 km
B 4.5 km
C 5.5 km
D 6.5 km
H উচ্চতায় অবস্থিত একটি বেলুন থেকে একটি পাথর ছেড়ে দিলে তা । উচ্চতায় অবস্থিত একটি হেলানো তনের উপর আছড়ে পড়ে। হেলানো শুলকে আঘাতের পর পাথরটির বেগ আনুভূমিক হয়। h/H এর মান কত হলে পাথরটি ভূমিকে স্পর্শ করতে সর্বোচ্চ সময় নিবে? (A stone falls from a balloon at a height of H above the ground and hits an inclined plane in its path at a height of h. After impact, the velocity of the stone becomes horizontal. What should be the value of hill so that the stone will take maximum time to reach the ground?)
A H-hh
B 12
C 32
D hH-h
E 2
A man starts climbing hill. Every minute he ascends 20 yards but slips down 5 yards. How long will he take to touch a point of 80 yards height?
A 5 minutes
B 5 minutes 20 seconds
C 6 minutes
D 7 minutes
a man starts climbing hill. Every minute he ascend 20 yards but slips down 5 yards. How long will h take to touch a point of 80 yards height?
A 7 minutes
B 5 minutes
C 20 seconds
D 6 minutes
What is the correct sequence of hill stations according to height above mean sea level in descending order?
A Kodaikanal, Darjeeling, Shimla and Mahabaleshwar
B Shimla, Kodaikanal, Darjeeling and Mahabaleshwar
C Kodaikanal, Shimla, Mahabaleshwar and Darjeeling
D Mahabaleshwar, Shimla, Darjeeling and Kodaikanal
Nina was 1.25 m tall. One year later she was 10% taller and in the nest year height increased a further 12% from her new height .What is her height after both increases?
A 146 cm
B 152 m
C 1.54 m
D 165 m
The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?
A 56
B 78
C 112
D 130
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A 0.6 Hs and 1.67 Hs
B 0.6 Hs and 1.87 Hs
C 1.27 Hs and 1.87 Hs
D 1.27 Hs and 1.67 Hs
The road runs _____ hill and plain .
A by
B to
C across
D over

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