Question
Mohit and Sudesh bought pens and notebooks from the same
shop. Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. Sudesh bought 5 pens and 2 notebooks by paying an amount of ₹116. How much did Mohit spend on buying notebooks?Solution
Let price of one pen = x Let price of one notebook = y Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. 3x + 6y = 180 3x = 180 – 6y x = (180 – 6y) ÷ 3 x = 60 – 2y --------- (i) Sudesh bought 5 pens and 2 notebooks by paying an amount of ₹116. 5x + 2y = 116 Putting the value of x from equation (i) 5(60 – 2y) + 2y = 116 300 – 10 y + 2y = 116 300 – 8y = 116 300 – 116 = 8y 184 = 8y y = 23 Mohit spend on buying notebooks = 6y = 6 x 23 = 138.
Sprouting of Onions during storage is inhibited by using
Anti-nutritional factor found in carrot is
Rigid & semi-rigid container are generally sterilized by
Which of the following is/are NOT permitted in the production area.
a)Â Â Â Jewelry like earrings, necklace, watch.
b)Â Â Â Nail po...
Prolonged heating of oils result in formation of
Losses of vitamins occurs in blanching due to
a) Leaching
b) Thermal destruction
c) Oxidation
d) Cooling
...What is the sweetness of Sucralose in relation with sucrose?
a)   150×
b)   300×
c)   450×
d)Â Â Â ...
Which of the following Antimicrobial preservatives used in food packaging film.
a)Â Â Â Organic Acids
b)Â Â Â Spice & herb extract ...
Which of the following Ingridents used as Ethylene absorber in active packaging system.
a)Â Â Â Aluminium oxide
b)Â Â Â Calcium oxi...
Type of moisture that can be removed by common drying technique is
Relevant for Exams:
