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TLS Online TPP Program

#Question id: 347

A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The concentration of Na+ ions will rise.

  2. The pH of the beaker's contents will increase.

  3. The pH of the beaker's contents will be neutral.

  4. The pH of the beaker's contents will decrease.

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TLS Online TPP Program

#Question id: 23638

#General Aptitude

The minimum number of colours required to paint all the sides of a cube so that no two adjacent faces may have the same colour, is
TLS Online TPP Program

#Question id: 23639

#General Aptitude

There are three pillars X, Y and Z of different heights. There spiders A, B and C start of climb on these pillars simultaneously. In one chance A climbs on X by 5 cm but slips down 1 cm. B climbs on Y 6 cm but slips down 3 cm. C climbs on Z 7 cm but slips down 2 cm. If they each requires 50 chances to reach the top of the pillar, what is the height of the shortest pillar?
TLS Online TPP Program

#Question id: 23640

#General Aptitude

I was quite alone in the park. After some time an old man and an old woman came there. After them two couples with a baby came there. Now, how many persons are there?
TLS Online TPP Program

#Question id: 23641

#General Aptitude

A class starts after lunch at 1.00p.m. and lasts till 3.52 p.m. In this duration four periods are held. Before every period 4 minutes are allowed for going from one room to another. What is the exact duration for each period?
TLS Online TPP Program

#Question id: 23642

#General Aptitude

A man invited some boys and girls on the birthday of his son. The number of boys was less than that of girls by 2.He gave Rs.10 to each boy and Rs.20 to each girl. If total amount distributed by him is Rs.280, what was the number of boys?
TLS Online TPP Program

#Question id: 23643

#General Aptitude

A straight line is 36 cm long. the points are to be marked on the line from both the ends so that the first point be at a distance of 1 cm from one end, the second point be at a distance of 2 cm from the first point and the third point be at a distance of 3 cm from the second point and so on. If the points on the ends are not counted and the common points are counted as one, what is number of points?