Machine A can produce 6 items per hour and machine B can produce 11 items per hours. If machine A works for x hours and B works for y hours in a day and both the machines produce at the most 200 items in a day, then frame an inequation to support the above data.
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A JEE aspirant estimates that she will be successful with an `80%` chance if she studies 10 hours per day, with `60%` chance if she studies 7 hourse p
Correct Answer - C A: She gets a success T: She studies 10 h, P(T) = 0.1 S: She studies 7 h: `P(S)=0.2` F: She studies `4 h: P(F) =0.7` `P(A//T)=0.8,P(A//S)=0.6,P(A//F)=0.4`...
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A JEE aspirant estimates that she will be successful with an 80 percent chance if she studies 10 hours per day, with a 60 percent chance if she studie
Correct Answer - B A: She gets a success T: She studies 10 h, P(T) = 0.1 S: She studies 7 h: `P(S)=0.2` F: She studies `4 h: P(F) =0.7` `P(A//T)=0.8,P(A//S)=0.6,P(A//F)=0.4`...
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July 11 is observed as (A) World environment day (B) World health day (C) World population day (D) No tobacco day
Correct option is: (C) World population day
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Single maize root apical meristem can give rise to more than (A)___ new cells per hour whereas cells in a watermelon may increase in size o by upto (B
Correct Answer - A-17,500 B-3,50,000
2 Answers 1 views
Shiva can type `x` words per hour while Sreevias can type `y` words per hour. Shiva works for 5 hours per day and Sreenvias works for 7 hours per day.
Correct Answer - `5x + 7y ge 700`
2 Answers 1 views
A manufacturer produces pend and pencils. It takes 1 hour of work on machine A and 2 hours on machine B to produce a package of pens while it take 2 h
Correct Answer - The manufacturer can manufacure 4 packages of each pens and pencils daily to obtain the maximum profit Rs. 28
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300 men can construct a200m long wall in 12 days working 8 hours a day. In how many days can 120 men construct 180 m long wall working 9 hours per day
\(\frac{M_1D_1H_1}{W_1}=\frac{M_2D_2H_2}{W_2}\) M1 = 300, D1 = 12, H1 = 8, W1 = 200 M2 = 120, D2 = ? H2 = 9, W2 = 180 \(\frac{300\times12\times8}{200}=\frac{120\times D\times7}{180}\) D = 24 days
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Collect information about different chemical compounds as per their applications in day-to-day life.
No. Chemical compound Applications i. Vinegar(CH3COOH) Preservation of food, salad dressing, sauces, etc. ii. Magnesium hydroxide [Mg(OH)2] Common component of antacids (used to relieve heartburn, acid indigestion and stomach upset.) iii. Baking soda (NaHCO3) Cooking, antacid, toothpaste, etc. iv. Sodium benzoate (C6H5COONa) Used as food...
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A small firm manufactures gold rings and chains. The combined number or rings and chains manufacured per day is at most 24. It takes 1 hour to make a
Correct Answer - Nuber f rings =8, nuber of chains =16
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The mean of 150 items was found to be 60. Later on, it was discoverved that the values of two items were misread as 52 and 8 instead of 152 and 88 res
Correct Answer - 61.2
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