Question
A was travelling from point X to point Y. He increased
his speed by 14 km/h after every hour. He reached his destination in 18 hours. If his initial speed was 20 km/h, then what was his average speed in the whole journey?Solution
Total distance travelled by A = (18/2) × {2 × 20 + (18 – 1) × 14} = 14 × (40 + 238) = 2502 km Required average speed = 2502/18 = 139 km/h
 Which crop is commonly referred to as the "Camel Crop" due to its remarkable ability to endure prolonged drought conditions?
What is the recommended fertilizer dose ratio for cereal crops?
Which method of canning involves placing hot food into hot, sterilized jars, sealing them, and allowing the heat to create a vacuum seal?
What is the rank of Bihar in terms of production of jute among the States of India ?
For which of the following crops are Minimum Support Prices (MSPs) announced by the Union Government?
A.     Groundnut
B.     ...
Spongilla is the common example which belongs to……………….Phylum of Animal Kingdom.
Which one is not the principle of system of rice intensificationÂ
Celphos tablets are used for the management of
Macrosperma and microsperma are the major groups of following crops
Which of the following is not true about DNA?
