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WorksheetsReflection 10th
Total questions: 20
Worksheet time: 38mins
In the figure given below angle abc=90, AD=15cm and DC=20cm.If BD is the bisector of angle ABC.What is the perimeter of the triangle ABC?
74 cm
84 cm
91 cm
105 cm
In the figure given below.AM:MC =3:4,BP:PM=3:2 and BN=12cm.Then AN equals to
10cm
12cm
14cm
16cm
Diagonal AC of a rectangle ABCD is produced to the point E such that 2:1,AB =8cm and BC=6m.The length of DE is
2root 19cm
3root17 cm
15 cm
13 cm
Radhika wants to visit her friend who recently moved to a new house.The road map between Radhika's home and her friend's as well as the distance known to Radhika are as shown in the figure given below:
To reach the friend's house, the shortest distance which Radhika has to travel, is
30.95 km
32.5 km
28.5 km
35.35 km
O is the point of intersection of the diagonals AC and BD of a trapezium ABCD with AB || DC.Through O, a line segment PQ is drawn parallel to AB meeting AD in P and BC in Q,then OP=
OP=OQ
OP=2OQ
OQ=2OP
OP=1/3OQ
The area of the semi-circle drawn on the hypotenuse of a right angled triangle is equal
sum of the areas of the semi-circles drawn on the other two sides of the triangle.
difference of the areas of semi-circles drawn on the other two sides of the triangle.
product of the areas of semi-circles drawn on the other two sides of the triangle
None of these.
In a triangle PQR,L and M are two points on base QR,such that angle LPQ=angle QRP and angle RPM=angleRQP.Then,which of the following is/are true:
i) trianglePQL~triangle RPM
ii) QL*RM=PL*PM
iii) PQ^2=QR.QL
Both i and ii
Both ii and iii
Both i and iii
All the three
Triangle ABC is right angled at A with AB=6cm,BC=10cm A circle with centre O has been inscribed inside the triangle.The radius of the incircle is
4cm
3 cm
2 cm
1 cm
A 5 m long ladder is placed leaning towards a vertical wall such that it reaches the wall at a point 4m high.If the foot of the ladder is moved 1.6m towards the wall,then the distance by which the top of the ladder would slide upwards on the wall is
0.6 m
0.2 m
0.4 m
0.8 m
D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD=2cm,BD=3cm,BC=7.5cm and DE || BC.Then length of DE is
2.5 cm
3 cm
5 cm
6 cm
Identify the products of the following reaction:
Calcium hydrogencarbonate and chlorine gas
Calcium chloride and water
Calcium oxide, carbon dioxide and water
Calcium chloride, carbon dioxide and water
In the following reaction, identify the salt formed
NH4OH (aq) + H2SO4 (aq) → _____ + 2H2O (l)
NH4NO3
(NH4)2SO4
(NH4)3PO4
(NH4)2S
Which of the following salt will give acidic solution when dissolved in water?
NH4Cl
NaCl
Na2CO3
CH3COONa
Which of the following indicators turn red in an acidic solution?
i. Phenolphthalein
ii. Litmus
iii. Turmeric
iv. Methyl orange
Choose the correct option:
(i) and (ii)
(ii) and (iii)
Only (ii)
(ii) and (iv)
Dilute acid does not produce carbon dioxide on being treated with:
Marble
Lime
Baking soda
Limestone
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(in) Temperature of the solution remains the same
(iv) Salt formation takes place
(i) and (iv)
(i) and (iii)
(ii) only
(ii) and (iv)
Tooth enamel is made up of
calcium phosphate
calcium carbonate
calcium oxide
potassium
What is the pH range of our body?
7.0 – 7.8
7.2 – 8.0
7.0 – 8.4
7.2 – 8.4
Nettle sting is a natural source of which acid?
MetiWanoic acid
Lactic acid
Citric acid
Tartaric acid
Sodium carbonate is a basic salt because it is a salt of a
strong acid and strong base
weak acid and weak base
strong acid and weak base
weak acid and strong base
