Question
Ratio of ages of father and son is 3 : 1. The product of
their ages is 147. What is the sum of their ages?Solution
Ratio of ages of father and son is 3: 1. Let their ages be measured in terms of x. The product of their ages is 147. (3x) × (x) = 147 3x2 = 147 X2 = 49 x2=7 Sum of their ages = 3x+x =4x  =4×7 = 28years
Pusa Deepali is a variety of:
Capitate type of antenna are found in _____
Bud scales (cataphylls) are_____ designed for protecting buds (apical or axillary).
Part of the cell wall of endodermal cells prevents water from moving into the cell is calledÂ
Eugenol is the important chemical content of:
The typical pH value of the midgut in most insects is closest to which of the following values?
Microorganisms used for suppression of plant diseases are called as ____
Judicious removal of plant part to obtain better and qualitative yield is termed asÂ
Chlorophyll is the major pigment present in leaves ,Which element is known as a ‘constituent of chlorophyll’?
Out of the following quantity, which is required to irrigate 1.0 ha land area with 50mm depth of irrigation?
