Question
A businessman's earning increase by 25%in one year but
decreases by 4%in the next. Going by this pattern, after 5 years, his total earnings would be Rs.72000. What is his present earning?Solution
using the chaining method we can write 25% =1/4 , 4% = 1/25 1st years increase 4-----> 5 2nd year decrease 25 ----> 24 3rd year increase 4--------> 5 4th year decrease 25 ----> 24 5th years increase 4-----> 5 initial --->final ratio is 5--------> 9 after 5 years earning is 9 --->72000 present earning = 5 × 8000 = Rs 40000
The pest which attack both in field and storage of pulses is–
Chlorophyll is formed from proto- chlorophyll in light. The proto- chlorophyll lacks two hydrogen atoms one each at _________and _________carbon of ___...
Bordeaux mixture is effective to control diseases of fruit and nut trees, vine fruits, and ornamental plants. It is chemically a ____
Tillers cut near base at 45° angle and developing buds or ripening grains chewed are the damaging symptoms of _____
Which microbe is responsible for spoilage of canned foods?
When a cross is made between offspring and its recessive parent , it is known asÂ
Which of the following weed causes Dropsy disease in humans?
The Galvanizing Organic Bio-Agro Resources Dhan (GOBAR-DHAN) scheme aims to augment income of farmers by converting biodegradable waste into compressed ...
To prevent erosion in hills
The web enabled workflow based information system developed for the MIDH ?