Question
A boy can swim in still water at a speed of 8 km/hr. If
the speed of the current would have been 3 km/hr, then the boy could swim 55 kmSolution
Rate downstream = 8 + 3 = 11 kmph Rate upstream = 8 – 3 = 5 kmph Time taken in swimming 55 km downstream = 55/11 = 5 hours Time taken in swimming 55 km upstream = 55/5 = 11 hours From, given options, boy can swim 55 km downstream in 5 hrs.
Beneficial elements of plant are:
A. Sodium
B. Vanadium
C. Selenium
D. Cobalt
Choose the correct answer from the options given below
Flower crop resistant to ethylene injury (sleepiness) isÂ
Which of the following statement is correct about Rouging?
The process of Pedoturbation primarily alters soil:
Roots absorb water from soil:
Yellow mosaic resistant variety of Moong is:Â
Which equation represents Dokuchaev’s original soil formation factors?
Calcium deficiency causes toxicity of:
Fermented bacteria formed which kind of pesticide?
______ induces lateral cell expansionÂ
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